Home / 14,667.84-20,235.06-8,699.76

Finding the Fourth Proportional to 14,667.84, 20,235.06 and 8,699.76

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Solution

The fourth proportional to 14,667.84, 20,235.06 and 8,699.76 is: 12,001.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,667.84 : 20,235.06 = 8,699.76 : x
  2. Step 2: Convert to fraction form
    14,667.84/20,235.06 = 8,699.76/x
  3. Step 3: Cross multiply
    14,667.84x = 20,235.06 × 8,699.76
  4. Step 4: Simplify right side
    14,667.84x = 176,040,165.59
  5. Step 5: Solve for x
    x = 176,040,165.59/14,667.84
  6. Step 6: Final answer
    x = 12,001.78

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Half scale
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Double scale
Find fourth proportional to 14,668.84, 20,236.44 and 8,700.76
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.