Home / 9,344.28-12,903.66-7,753.80

Finding the Fourth Proportional to 9,344.28, 12,903.66 and 7,753.80

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Solution

The fourth proportional to 9,344.28, 12,903.66 and 7,753.80 is: 10,707.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,344.28 : 12,903.66 = 7,753.80 : x
  2. Step 2: Convert to fraction form
    9,344.28/12,903.66 = 7,753.80/x
  3. Step 3: Cross multiply
    9,344.28x = 12,903.66 × 7,753.80
  4. Step 4: Simplify right side
    9,344.28x = 100,052,398.91
  5. Step 5: Solve for x
    x = 100,052,398.91/9,344.28
  6. Step 6: Final answer
    x = 10,707.34

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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.