Home / 22,654.50-31,265.65-13,706.93

Finding the Fourth Proportional to 22,654.50, 31,265.65 and 13,706.93

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Solution

The fourth proportional to 22,654.50, 31,265.65 and 13,706.93 is: 18,917.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,654.50 : 31,265.65 = 13,706.93 : x
  2. Step 2: Convert to fraction form
    22,654.50/31,265.65 = 13,706.93/x
  3. Step 3: Cross multiply
    22,654.50x = 31,265.65 × 13,706.93
  4. Step 4: Simplify right side
    22,654.50x = 428,556,209.80
  5. Step 5: Solve for x
    x = 428,556,209.80/22,654.50
  6. Step 6: Final answer
    x = 18,917.05

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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.