Home / 15,418.20-23,090.02-8,824.40

Finding the Fourth Proportional to 15,418.20, 23,090.02 and 8,824.40

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Solution

The fourth proportional to 15,418.20, 23,090.02 and 8,824.40 is: 13,215.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,418.20 : 23,090.02 = 8,824.40 : x
  2. Step 2: Convert to fraction form
    15,418.20/23,090.02 = 8,824.40/x
  3. Step 3: Cross multiply
    15,418.20x = 23,090.02 × 8,824.40
  4. Step 4: Simplify right side
    15,418.20x = 203,755,572.49
  5. Step 5: Solve for x
    x = 203,755,572.49/15,418.20
  6. Step 6: Final answer
    x = 13,215.26

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1.5x scale

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.