Home / 11,476.16-15,836.40-6,439.52

Finding the Fourth Proportional to 11,476.16, 15,836.40 and 6,439.52

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Solution

The fourth proportional to 11,476.16, 15,836.40 and 6,439.52 is: 8,886.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,476.16 : 15,836.40 = 6,439.52 : x
  2. Step 2: Convert to fraction form
    11,476.16/15,836.40 = 6,439.52/x
  3. Step 3: Cross multiply
    11,476.16x = 15,836.40 × 6,439.52
  4. Step 4: Simplify right side
    11,476.16x = 101,978,814.53
  5. Step 5: Solve for x
    x = 101,978,814.53/11,476.16
  6. Step 6: Final answer
    x = 8,886.14

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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.