Home / 9,014.02-12,432.49-7,757.20

Finding the Fourth Proportional to 9,014.02, 12,432.49 and 7,757.20

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Solution

The fourth proportional to 9,014.02, 12,432.49 and 7,757.20 is: 10,699.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,014.02 : 12,432.49 = 7,757.20 : x
  2. Step 2: Convert to fraction form
    9,014.02/12,432.49 = 7,757.20/x
  3. Step 3: Cross multiply
    9,014.02x = 12,432.49 × 7,757.20
  4. Step 4: Simplify right side
    9,014.02x = 96,441,311.43
  5. Step 5: Solve for x
    x = 96,441,311.43/9,014.02
  6. Step 6: Final answer
    x = 10,699.03

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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.