Home / 15,836.30-21,854.50-9,549.08

Finding the Fourth Proportional to 15,836.30, 21,854.50 and 9,549.08

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Solution

The fourth proportional to 15,836.30, 21,854.50 and 9,549.08 is: 13,177.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,836.30 : 21,854.50 = 9,549.08 : x
  2. Step 2: Convert to fraction form
    15,836.30/21,854.50 = 9,549.08/x
  3. Step 3: Cross multiply
    15,836.30x = 21,854.50 × 9,549.08
  4. Step 4: Simplify right side
    15,836.30x = 208,690,399.62
  5. Step 5: Solve for x
    x = 208,690,399.62/15,836.30
  6. Step 6: Final answer
    x = 13,177.98

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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.