Home / 21,644.38-32,470.98-9,792.46

Finding the Fourth Proportional to 21,644.38, 32,470.98 and 9,792.46

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Solution

The fourth proportional to 21,644.38, 32,470.98 and 9,792.46 is: 14,690.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,644.38 : 32,470.98 = 9,792.46 : x
  2. Step 2: Convert to fraction form
    21,644.38/32,470.98 = 9,792.46/x
  3. Step 3: Cross multiply
    21,644.38x = 32,470.98 × 9,792.46
  4. Step 4: Simplify right side
    21,644.38x = 317,970,772.81
  5. Step 5: Solve for x
    x = 317,970,772.81/21,644.38
  6. Step 6: Final answer
    x = 14,690.69

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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.