Home / 9,040.17-13,562.70-8,172.66

Finding the Fourth Proportional to 9,040.17, 13,562.70 and 8,172.66

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Solution

The fourth proportional to 9,040.17, 13,562.70 and 8,172.66 is: 12,261.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,040.17 : 13,562.70 = 8,172.66 : x
  2. Step 2: Convert to fraction form
    9,040.17/13,562.70 = 8,172.66/x
  3. Step 3: Cross multiply
    9,040.17x = 13,562.70 × 8,172.66
  4. Step 4: Simplify right side
    9,040.17x = 110,843,335.78
  5. Step 5: Solve for x
    x = 110,843,335.78/9,040.17
  6. Step 6: Final answer
    x = 12,261.20

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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.