Home / 9,069.39-12,504.65-6,231.15

Finding the Fourth Proportional to 9,069.39, 12,504.65 and 6,231.15

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Solution

The fourth proportional to 9,069.39, 12,504.65 and 6,231.15 is: 8,591.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,069.39 : 12,504.65 = 6,231.15 : x
  2. Step 2: Convert to fraction form
    9,069.39/12,504.65 = 6,231.15/x
  3. Step 3: Cross multiply
    9,069.39x = 12,504.65 × 6,231.15
  4. Step 4: Simplify right side
    9,069.39x = 77,918,318.69
  5. Step 5: Solve for x
    x = 77,918,318.69/9,069.39
  6. Step 6: Final answer
    x = 8,591.35

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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.