Home / 22,572.09-31,148.96-12,500.01

Finding the Fourth Proportional to 22,572.09, 31,148.96 and 12,500.01

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Solution

The fourth proportional to 22,572.09, 31,148.96 and 12,500.01 is: 17,249.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,572.09 : 31,148.96 = 12,500.01 : x
  2. Step 2: Convert to fraction form
    22,572.09/31,148.96 = 12,500.01/x
  3. Step 3: Cross multiply
    22,572.09x = 31,148.96 × 12,500.01
  4. Step 4: Simplify right side
    22,572.09x = 389,362,248.99
  5. Step 5: Solve for x
    x = 389,362,248.99/22,572.09
  6. Step 6: Final answer
    x = 17,249.72

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Double scale
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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.