Home / 15,346.08-23,006.70-5,479.20

Finding the Fourth Proportional to 15,346.08, 23,006.70 and 5,479.20

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Solution

The fourth proportional to 15,346.08, 23,006.70 and 5,479.20 is: 8,214.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,346.08 : 23,006.70 = 5,479.20 : x
  2. Step 2: Convert to fraction form
    15,346.08/23,006.70 = 5,479.20/x
  3. Step 3: Cross multiply
    15,346.08x = 23,006.70 × 5,479.20
  4. Step 4: Simplify right side
    15,346.08x = 126,058,310.64
  5. Step 5: Solve for x
    x = 126,058,310.64/15,346.08
  6. Step 6: Final answer
    x = 8,214.37

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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.