Home / 15,471.83-21,351.58-9,098.87

Finding the Fourth Proportional to 15,471.83, 21,351.58 and 9,098.87

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Solution

The fourth proportional to 15,471.83, 21,351.58 and 9,098.87 is: 12,556.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,471.83 : 21,351.58 = 9,098.87 : x
  2. Step 2: Convert to fraction form
    15,471.83/21,351.58 = 9,098.87/x
  3. Step 3: Cross multiply
    15,471.83x = 21,351.58 × 9,098.87
  4. Step 4: Simplify right side
    15,471.83x = 194,275,121.21
  5. Step 5: Solve for x
    x = 194,275,121.21/15,471.83
  6. Step 6: Final answer
    x = 12,556.70

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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.