Home / 22,489.19-31,036.29-12,417.60

Finding the Fourth Proportional to 22,489.19, 31,036.29 and 12,417.60

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Solution

The fourth proportional to 22,489.19, 31,036.29 and 12,417.60 is: 17,136.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,489.19 : 31,036.29 = 12,417.60 : x
  2. Step 2: Convert to fraction form
    22,489.19/31,036.29 = 12,417.60/x
  3. Step 3: Cross multiply
    22,489.19x = 31,036.29 × 12,417.60
  4. Step 4: Simplify right side
    22,489.19x = 385,396,234.70
  5. Step 5: Solve for x
    x = 385,396,234.70/22,489.19
  6. Step 6: Final answer
    x = 17,136.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.