Home / 10,281.09-14,187.92-5,565.36

Finding the Fourth Proportional to 10,281.09, 14,187.92 and 5,565.36

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Solution

The fourth proportional to 10,281.09, 14,187.92 and 5,565.36 is: 7,680.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,281.09 : 14,187.92 = 5,565.36 : x
  2. Step 2: Convert to fraction form
    10,281.09/14,187.92 = 5,565.36/x
  3. Step 3: Cross multiply
    10,281.09x = 14,187.92 × 5,565.36
  4. Step 4: Simplify right side
    10,281.09x = 78,960,882.45
  5. Step 5: Solve for x
    x = 78,960,882.45/10,281.09
  6. Step 6: Final answer
    x = 7,680.21

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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.