Home / 8,681.24-13,008.20-6,711.68

Finding the Fourth Proportional to 8,681.24, 13,008.20 and 6,711.68

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Solution

The fourth proportional to 8,681.24, 13,008.20 and 6,711.68 is: 10,056.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,681.24 : 13,008.20 = 6,711.68 : x
  2. Step 2: Convert to fraction form
    8,681.24/13,008.20 = 6,711.68/x
  3. Step 3: Cross multiply
    8,681.24x = 13,008.20 × 6,711.68
  4. Step 4: Simplify right side
    8,681.24x = 87,306,777.18
  5. Step 5: Solve for x
    x = 87,306,777.18/8,681.24
  6. Step 6: Final answer
    x = 10,056.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.