Home / 19,655.76-29,444.76-9,235.92

Finding the Fourth Proportional to 19,655.76, 29,444.76 and 9,235.92

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Solution

The fourth proportional to 19,655.76, 29,444.76 and 9,235.92 is: 13,835.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,655.76 : 29,444.76 = 9,235.92 : x
  2. Step 2: Convert to fraction form
    19,655.76/29,444.76 = 9,235.92/x
  3. Step 3: Cross multiply
    19,655.76x = 29,444.76 × 9,235.92
  4. Step 4: Simplify right side
    19,655.76x = 271,949,447.78
  5. Step 5: Solve for x
    x = 271,949,447.78/19,655.76
  6. Step 6: Final answer
    x = 13,835.61

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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.