Home / 9,543.28-13,169.28-5,351.92

Finding the Fourth Proportional to 9,543.28, 13,169.28 and 5,351.92

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Solution

The fourth proportional to 9,543.28, 13,169.28 and 5,351.92 is: 7,385.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,543.28 : 13,169.28 = 5,351.92 : x
  2. Step 2: Convert to fraction form
    9,543.28/13,169.28 = 5,351.92/x
  3. Step 3: Cross multiply
    9,543.28x = 13,169.28 × 5,351.92
  4. Step 4: Simplify right side
    9,543.28x = 70,480,933.02
  5. Step 5: Solve for x
    x = 70,480,933.02/9,543.28
  6. Step 6: Final answer
    x = 7,385.40

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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.