Home / 15,789.74-23,672.02-9,118.66

Finding the Fourth Proportional to 15,789.74, 23,672.02 and 9,118.66

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Solution

The fourth proportional to 15,789.74, 23,672.02 and 9,118.66 is: 13,670.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,789.74 : 23,672.02 = 9,118.66 : x
  2. Step 2: Convert to fraction form
    15,789.74/23,672.02 = 9,118.66/x
  3. Step 3: Cross multiply
    15,789.74x = 23,672.02 × 9,118.66
  4. Step 4: Simplify right side
    15,789.74x = 215,857,101.89
  5. Step 5: Solve for x
    x = 215,857,101.89/15,789.74
  6. Step 6: Final answer
    x = 13,670.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.