Home / 22,683.40-31,304.84-13,609.10

Finding the Fourth Proportional to 22,683.40, 31,304.84 and 13,609.10

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Solution

The fourth proportional to 22,683.40, 31,304.84 and 13,609.10 is: 18,781.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,683.40 : 31,304.84 = 13,609.10 : x
  2. Step 2: Convert to fraction form
    22,683.40/31,304.84 = 13,609.10/x
  3. Step 3: Cross multiply
    22,683.40x = 31,304.84 × 13,609.10
  4. Step 4: Simplify right side
    22,683.40x = 426,030,732.07
  5. Step 5: Solve for x
    x = 426,030,732.07/22,683.40
  6. Step 6: Final answer
    x = 18,781.61

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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.