Home / 22,489.20-31,032.90-13,056.84

Finding the Fourth Proportional to 22,489.20, 31,032.90 and 13,056.84

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Solution

The fourth proportional to 22,489.20, 31,032.90 and 13,056.84 is: 18,017.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,489.20 : 31,032.90 = 13,056.84 : x
  2. Step 2: Convert to fraction form
    22,489.20/31,032.90 = 13,056.84/x
  3. Step 3: Cross multiply
    22,489.20x = 31,032.90 × 13,056.84
  4. Step 4: Simplify right side
    22,489.20x = 405,191,610.04
  5. Step 5: Solve for x
    x = 405,191,610.04/22,489.20
  6. Step 6: Final answer
    x = 18,017.16

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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.