Home / 9,057.18-12,488.39-8,496.75

Finding the Fourth Proportional to 9,057.18, 12,488.39 and 8,496.75

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Solution

The fourth proportional to 9,057.18, 12,488.39 and 8,496.75 is: 11,715.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,057.18 : 12,488.39 = 8,496.75 : x
  2. Step 2: Convert to fraction form
    9,057.18/12,488.39 = 8,496.75/x
  3. Step 3: Cross multiply
    9,057.18x = 12,488.39 × 8,496.75
  4. Step 4: Simplify right side
    9,057.18x = 106,110,685.25
  5. Step 5: Solve for x
    x = 106,110,685.25/9,057.18
  6. Step 6: Final answer
    x = 11,715.64

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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.