Home / 11,970.28-16,516.56-7,251.82

Finding the Fourth Proportional to 11,970.28, 16,516.56 and 7,251.82

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Solution

The fourth proportional to 11,970.28, 16,516.56 and 7,251.82 is: 10,006.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,970.28 : 16,516.56 = 7,251.82 : x
  2. Step 2: Convert to fraction form
    11,970.28/16,516.56 = 7,251.82/x
  3. Step 3: Cross multiply
    11,970.28x = 16,516.56 × 7,251.82
  4. Step 4: Simplify right side
    11,970.28x = 119,775,120.14
  5. Step 5: Solve for x
    x = 119,775,120.14/11,970.28
  6. Step 6: Final answer
    x = 10,006.04

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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.