Home / 19,904.32-29,868.11-7,432.95

Finding the Fourth Proportional to 19,904.32, 29,868.11 and 7,432.95

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Solution

The fourth proportional to 19,904.32, 29,868.11 and 7,432.95 is: 11,153.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,904.32 : 29,868.11 = 7,432.95 : x
  2. Step 2: Convert to fraction form
    19,904.32/29,868.11 = 7,432.95/x
  3. Step 3: Cross multiply
    19,904.32x = 29,868.11 × 7,432.95
  4. Step 4: Simplify right side
    19,904.32x = 222,008,186.81
  5. Step 5: Solve for x
    x = 222,008,186.81/19,904.32
  6. Step 6: Final answer
    x = 11,153.77

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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.