Home / 15,451.22-23,156.96-7,011.56

Finding the Fourth Proportional to 15,451.22, 23,156.96 and 7,011.56

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Solution

The fourth proportional to 15,451.22, 23,156.96 and 7,011.56 is: 10,508.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,451.22 : 23,156.96 = 7,011.56 : x
  2. Step 2: Convert to fraction form
    15,451.22/23,156.96 = 7,011.56/x
  3. Step 3: Cross multiply
    15,451.22x = 23,156.96 × 7,011.56
  4. Step 4: Simplify right side
    15,451.22x = 162,366,414.46
  5. Step 5: Solve for x
    x = 162,366,414.46/15,451.22
  6. Step 6: Final answer
    x = 10,508.32

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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.