Home / 8,706.28-12,013.50-5,560.24

Finding the Fourth Proportional to 8,706.28, 12,013.50 and 5,560.24

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Solution

The fourth proportional to 8,706.28, 12,013.50 and 5,560.24 is: 7,672.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,706.28 : 12,013.50 = 5,560.24 : x
  2. Step 2: Convert to fraction form
    8,706.28/12,013.50 = 5,560.24/x
  3. Step 3: Cross multiply
    8,706.28x = 12,013.50 × 5,560.24
  4. Step 4: Simplify right side
    8,706.28x = 66,797,943.24
  5. Step 5: Solve for x
    x = 66,797,943.24/8,706.28
  6. Step 6: Final answer
    x = 7,672.39

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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.