Home / 9,184.20-13,760.10-7,531.80

Finding the Fourth Proportional to 9,184.20, 13,760.10 and 7,531.80

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Solution

The fourth proportional to 9,184.20, 13,760.10 and 7,531.80 is: 11,284.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,184.20 : 13,760.10 = 7,531.80 : x
  2. Step 2: Convert to fraction form
    9,184.20/13,760.10 = 7,531.80/x
  3. Step 3: Cross multiply
    9,184.20x = 13,760.10 × 7,531.80
  4. Step 4: Simplify right side
    9,184.20x = 103,638,321.18
  5. Step 5: Solve for x
    x = 103,638,321.18/9,184.20
  6. Step 6: Final answer
    x = 11,284.41

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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.