Home / 12,447.52-17,167.44-9,306.40

Finding the Fourth Proportional to 12,447.52, 17,167.44 and 9,306.40

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Solution

The fourth proportional to 12,447.52, 17,167.44 and 9,306.40 is: 12,835.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,447.52 : 17,167.44 = 9,306.40 : x
  2. Step 2: Convert to fraction form
    12,447.52/17,167.44 = 9,306.40/x
  3. Step 3: Cross multiply
    12,447.52x = 17,167.44 × 9,306.40
  4. Step 4: Simplify right side
    12,447.52x = 159,767,063.62
  5. Step 5: Solve for x
    x = 159,767,063.62/12,447.52
  6. Step 6: Final answer
    x = 12,835.25

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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.