Home / 11,420.48-17,131.20-5,582

Finding the Fourth Proportional to 11,420.48, 17,131.20 and 5,582

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Solution

The fourth proportional to 11,420.48, 17,131.20 and 5,582 is: 8,373.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,420.48 : 17,131.20 = 5,582 : x
  2. Step 2: Convert to fraction form
    11,420.48/17,131.20 = 5,582/x
  3. Step 3: Cross multiply
    11,420.48x = 17,131.20 × 5,582
  4. Step 4: Simplify right side
    11,420.48x = 95,626,358.40
  5. Step 5: Solve for x
    x = 95,626,358.40/11,420.48
  6. Step 6: Final answer
    x = 8,373.23

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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.