Home / 15,789.50-23,663.72-6,418.61

Finding the Fourth Proportional to 15,789.50, 23,663.72 and 6,418.61

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Solution

The fourth proportional to 15,789.50, 23,663.72 and 6,418.61 is: 9,619.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,789.50 : 23,663.72 = 6,418.61 : x
  2. Step 2: Convert to fraction form
    15,789.50/23,663.72 = 6,418.61/x
  3. Step 3: Cross multiply
    15,789.50x = 23,663.72 × 6,418.61
  4. Step 4: Simplify right side
    15,789.50x = 151,888,039.42
  5. Step 5: Solve for x
    x = 151,888,039.42/15,789.50
  6. Step 6: Final answer
    x = 9,619.56

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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.