Home / 9,187.02-12,672.45-8,010.90

Finding the Fourth Proportional to 9,187.02, 12,672.45 and 8,010.90

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Solution

The fourth proportional to 9,187.02, 12,672.45 and 8,010.90 is: 11,050.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,187.02 : 12,672.45 = 8,010.90 : x
  2. Step 2: Convert to fraction form
    9,187.02/12,672.45 = 8,010.90/x
  3. Step 3: Cross multiply
    9,187.02x = 12,672.45 × 8,010.90
  4. Step 4: Simplify right side
    9,187.02x = 101,517,729.71
  5. Step 5: Solve for x
    x = 101,517,729.71/9,187.02
  6. Step 6: Final answer
    x = 11,050.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.