Home / 9,288.61-12,816.07-5,255.53

Finding the Fourth Proportional to 9,288.61, 12,816.07 and 5,255.53

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Solution

The fourth proportional to 9,288.61, 12,816.07 and 5,255.53 is: 7,251.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,288.61 : 12,816.07 = 5,255.53 : x
  2. Step 2: Convert to fraction form
    9,288.61/12,816.07 = 5,255.53/x
  3. Step 3: Cross multiply
    9,288.61x = 12,816.07 × 5,255.53
  4. Step 4: Simplify right side
    9,288.61x = 67,355,195.19
  5. Step 5: Solve for x
    x = 67,355,195.19/9,288.61
  6. Step 6: Final answer
    x = 7,251.38

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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.