Home / 14,595.84-20,142.18-8,222.41

Finding the Fourth Proportional to 14,595.84, 20,142.18 and 8,222.41

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Solution

The fourth proportional to 14,595.84, 20,142.18 and 8,222.41 is: 11,346.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,595.84 : 20,142.18 = 8,222.41 : x
  2. Step 2: Convert to fraction form
    14,595.84/20,142.18 = 8,222.41/x
  3. Step 3: Cross multiply
    14,595.84x = 20,142.18 × 8,222.41
  4. Step 4: Simplify right side
    14,595.84x = 165,617,262.25
  5. Step 5: Solve for x
    x = 165,617,262.25/14,595.84
  6. Step 6: Final answer
    x = 11,346.88

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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.