Home / 12,731.68-19,104.96-5,335.52

Finding the Fourth Proportional to 12,731.68, 19,104.96 and 5,335.52

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Solution

The fourth proportional to 12,731.68, 19,104.96 and 5,335.52 is: 8,006.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,731.68 : 19,104.96 = 5,335.52 : x
  2. Step 2: Convert to fraction form
    12,731.68/19,104.96 = 5,335.52/x
  3. Step 3: Cross multiply
    12,731.68x = 19,104.96 × 5,335.52
  4. Step 4: Simplify right side
    12,731.68x = 101,934,928.13
  5. Step 5: Solve for x
    x = 101,934,928.13/12,731.68
  6. Step 6: Final answer
    x = 8,006.40

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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.