Home / 14,781.90-22,136.40-9,824.70

Finding the Fourth Proportional to 14,781.90, 22,136.40 and 9,824.70

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Solution

The fourth proportional to 14,781.90, 22,136.40 and 9,824.70 is: 14,712.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,781.90 : 22,136.40 = 9,824.70 : x
  2. Step 2: Convert to fraction form
    14,781.90/22,136.40 = 9,824.70/x
  3. Step 3: Cross multiply
    14,781.90x = 22,136.40 × 9,824.70
  4. Step 4: Simplify right side
    14,781.90x = 217,483,489.08
  5. Step 5: Solve for x
    x = 217,483,489.08/14,781.90
  6. Step 6: Final answer
    x = 14,712.82

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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.