Home / 14,972.90-22,448.55-9,781.70

Finding the Fourth Proportional to 14,972.90, 22,448.55 and 9,781.70

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Solution

The fourth proportional to 14,972.90, 22,448.55 and 9,781.70 is: 14,665.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,972.90 : 22,448.55 = 9,781.70 : x
  2. Step 2: Convert to fraction form
    14,972.90/22,448.55 = 9,781.70/x
  3. Step 3: Cross multiply
    14,972.90x = 22,448.55 × 9,781.70
  4. Step 4: Simplify right side
    14,972.90x = 219,584,981.54
  5. Step 5: Solve for x
    x = 219,584,981.54/14,972.90
  6. Step 6: Final answer
    x = 14,665.49

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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.