Home / 14,681.95-20,257.70-9,910.76

Finding the Fourth Proportional to 14,681.95, 20,257.70 and 9,910.76

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Solution

The fourth proportional to 14,681.95, 20,257.70 and 9,910.76 is: 13,674.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,681.95 : 20,257.70 = 9,910.76 : x
  2. Step 2: Convert to fraction form
    14,681.95/20,257.70 = 9,910.76/x
  3. Step 3: Cross multiply
    14,681.95x = 20,257.70 × 9,910.76
  4. Step 4: Simplify right side
    14,681.95x = 200,769,052.01
  5. Step 5: Solve for x
    x = 200,769,052.01/14,681.95
  6. Step 6: Final answer
    x = 13,674.55

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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.