Home / 22,569.68-31,126.82-13,615.22

Finding the Fourth Proportional to 22,569.68, 31,126.82 and 13,615.22

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Solution

The fourth proportional to 22,569.68, 31,126.82 and 13,615.22 is: 18,777.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,569.68 : 31,126.82 = 13,615.22 : x
  2. Step 2: Convert to fraction form
    22,569.68/31,126.82 = 13,615.22/x
  3. Step 3: Cross multiply
    22,569.68x = 31,126.82 × 13,615.22
  4. Step 4: Simplify right side
    22,569.68x = 423,798,502.20
  5. Step 5: Solve for x
    x = 423,798,502.20/22,569.68
  6. Step 6: Final answer
    x = 18,777.34

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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.