Home / 22,685.64-31,304.37-12,613.29

Finding the Fourth Proportional to 22,685.64, 31,304.37 and 12,613.29

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Solution

The fourth proportional to 22,685.64, 31,304.37 and 12,613.29 is: 17,405.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,685.64 : 31,304.37 = 12,613.29 : x
  2. Step 2: Convert to fraction form
    22,685.64/31,304.37 = 12,613.29/x
  3. Step 3: Cross multiply
    22,685.64x = 31,304.37 × 12,613.29
  4. Step 4: Simplify right side
    22,685.64x = 394,851,097.08
  5. Step 5: Solve for x
    x = 394,851,097.08/22,685.64
  6. Step 6: Final answer
    x = 17,405.33

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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.