Home / 22,666.34-31,279.56-13,233.08

Finding the Fourth Proportional to 22,666.34, 31,279.56 and 13,233.08

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Solution

The fourth proportional to 22,666.34, 31,279.56 and 13,233.08 is: 18,261.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,666.34 : 31,279.56 = 13,233.08 : x
  2. Step 2: Convert to fraction form
    22,666.34/31,279.56 = 13,233.08/x
  3. Step 3: Cross multiply
    22,666.34x = 31,279.56 × 13,233.08
  4. Step 4: Simplify right side
    22,666.34x = 413,924,919.84
  5. Step 5: Solve for x
    x = 413,924,919.84/22,666.34
  6. Step 6: Final answer
    x = 18,261.66

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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.