Home / 8,813.26-12,148.50-6,680.26

Finding the Fourth Proportional to 8,813.26, 12,148.50 and 6,680.26

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Solution

The fourth proportional to 8,813.26, 12,148.50 and 6,680.26 is: 9,208.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,813.26 : 12,148.50 = 6,680.26 : x
  2. Step 2: Convert to fraction form
    8,813.26/12,148.50 = 6,680.26/x
  3. Step 3: Cross multiply
    8,813.26x = 12,148.50 × 6,680.26
  4. Step 4: Simplify right side
    8,813.26x = 81,155,138.61
  5. Step 5: Solve for x
    x = 81,155,138.61/8,813.26
  6. Step 6: Final answer
    x = 9,208.30

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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.