Home / 8,899.36-12,272.18-6,909.16

Finding the Fourth Proportional to 8,899.36, 12,272.18 and 6,909.16

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Solution

The fourth proportional to 8,899.36, 12,272.18 and 6,909.16 is: 9,527.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,899.36 : 12,272.18 = 6,909.16 : x
  2. Step 2: Convert to fraction form
    8,899.36/12,272.18 = 6,909.16/x
  3. Step 3: Cross multiply
    8,899.36x = 12,272.18 × 6,909.16
  4. Step 4: Simplify right side
    8,899.36x = 84,790,455.17
  5. Step 5: Solve for x
    x = 84,790,455.17/8,899.36
  6. Step 6: Final answer
    x = 9,527.70

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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.