Home / 9,007.02-12,422.84-7,750.18

Finding the Fourth Proportional to 9,007.02, 12,422.84 and 7,750.18

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Solution

The fourth proportional to 9,007.02, 12,422.84 and 7,750.18 is: 10,689.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,007.02 : 12,422.84 = 7,750.18 : x
  2. Step 2: Convert to fraction form
    9,007.02/12,422.84 = 7,750.18/x
  3. Step 3: Cross multiply
    9,007.02x = 12,422.84 × 7,750.18
  4. Step 4: Simplify right side
    9,007.02x = 96,279,288.28
  5. Step 5: Solve for x
    x = 96,279,288.28/9,007.02
  6. Step 6: Final answer
    x = 10,689.36

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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.