Home / 19,988.06-29,988.57-9,600.62

Finding the Fourth Proportional to 19,988.06, 29,988.57 and 9,600.62

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Solution

The fourth proportional to 19,988.06, 29,988.57 and 9,600.62 is: 14,404.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,988.06 : 29,988.57 = 9,600.62 : x
  2. Step 2: Convert to fraction form
    19,988.06/29,988.57 = 9,600.62/x
  3. Step 3: Cross multiply
    19,988.06x = 29,988.57 × 9,600.62
  4. Step 4: Simplify right side
    19,988.06x = 287,908,864.91
  5. Step 5: Solve for x
    x = 287,908,864.91/19,988.06
  6. Step 6: Final answer
    x = 14,404.04

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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.