Home / 14,167.72-19,540.47-9,132.76

Finding the Fourth Proportional to 14,167.72, 19,540.47 and 9,132.76

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Solution

The fourth proportional to 14,167.72, 19,540.47 and 9,132.76 is: 12,596.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,167.72 : 19,540.47 = 9,132.76 : x
  2. Step 2: Convert to fraction form
    14,167.72/19,540.47 = 9,132.76/x
  3. Step 3: Cross multiply
    14,167.72x = 19,540.47 × 9,132.76
  4. Step 4: Simplify right side
    14,167.72x = 178,458,422.80
  5. Step 5: Solve for x
    x = 178,458,422.80/14,167.72
  6. Step 6: Final answer
    x = 12,596.13

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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.