Home / 21,565.04-29,760.41-11,742.93

Finding the Fourth Proportional to 21,565.04, 29,760.41 and 11,742.93

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Solution

The fourth proportional to 21,565.04, 29,760.41 and 11,742.93 is: 16,205.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,565.04 : 29,760.41 = 11,742.93 : x
  2. Step 2: Convert to fraction form
    21,565.04/29,760.41 = 11,742.93/x
  3. Step 3: Cross multiply
    21,565.04x = 29,760.41 × 11,742.93
  4. Step 4: Simplify right side
    21,565.04x = 349,474,524.46
  5. Step 5: Solve for x
    x = 349,474,524.46/21,565.04
  6. Step 6: Final answer
    x = 16,205.61

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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.