Home / 9,412.68-12,993.67-6,591.15

Finding the Fourth Proportional to 9,412.68, 12,993.67 and 6,591.15

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Solution

The fourth proportional to 9,412.68, 12,993.67 and 6,591.15 is: 9,098.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,412.68 : 12,993.67 = 6,591.15 : x
  2. Step 2: Convert to fraction form
    9,412.68/12,993.67 = 6,591.15/x
  3. Step 3: Cross multiply
    9,412.68x = 12,993.67 × 6,591.15
  4. Step 4: Simplify right side
    9,412.68x = 85,643,228.02
  5. Step 5: Solve for x
    x = 85,643,228.02/9,412.68
  6. Step 6: Final answer
    x = 9,098.71

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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.