Home / 19,385.67-29,061.16-9,384.76

Finding the Fourth Proportional to 19,385.67, 29,061.16 and 9,384.76

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Solution

The fourth proportional to 19,385.67, 29,061.16 and 9,384.76 is: 14,068.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,385.67 : 29,061.16 = 9,384.76 : x
  2. Step 2: Convert to fraction form
    19,385.67/29,061.16 = 9,384.76/x
  3. Step 3: Cross multiply
    19,385.67x = 29,061.16 × 9,384.76
  4. Step 4: Simplify right side
    19,385.67x = 272,731,915.81
  5. Step 5: Solve for x
    x = 272,731,915.81/19,385.67
  6. Step 6: Final answer
    x = 14,068.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.