Home / 22,719.59-31,350.56-12,647.24

Finding the Fourth Proportional to 22,719.59, 31,350.56 and 12,647.24

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Solution

The fourth proportional to 22,719.59, 31,350.56 and 12,647.24 is: 17,451.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,719.59 : 31,350.56 = 12,647.24 : x
  2. Step 2: Convert to fraction form
    22,719.59/31,350.56 = 12,647.24/x
  3. Step 3: Cross multiply
    22,719.59x = 31,350.56 × 12,647.24
  4. Step 4: Simplify right side
    22,719.59x = 396,497,899.70
  5. Step 5: Solve for x
    x = 396,497,899.70/22,719.59
  6. Step 6: Final answer
    x = 17,451.81

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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.