Home / 15,451.60-21,326.16-9,167.44

Finding the Fourth Proportional to 15,451.60, 21,326.16 and 9,167.44

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Solution

The fourth proportional to 15,451.60, 21,326.16 and 9,167.44 is: 12,652.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,451.60 : 21,326.16 = 9,167.44 : x
  2. Step 2: Convert to fraction form
    15,451.60/21,326.16 = 9,167.44/x
  3. Step 3: Cross multiply
    15,451.60x = 21,326.16 × 9,167.44
  4. Step 4: Simplify right side
    15,451.60x = 195,506,292.23
  5. Step 5: Solve for x
    x = 195,506,292.23/15,451.60
  6. Step 6: Final answer
    x = 12,652.82

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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.