Home / 11,700.20-16,146.51-6,395.24

Finding the Fourth Proportional to 11,700.20, 16,146.51 and 6,395.24

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Solution

The fourth proportional to 11,700.20, 16,146.51 and 6,395.24 is: 8,825.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,700.20 : 16,146.51 = 6,395.24 : x
  2. Step 2: Convert to fraction form
    11,700.20/16,146.51 = 6,395.24/x
  3. Step 3: Cross multiply
    11,700.20x = 16,146.51 × 6,395.24
  4. Step 4: Simplify right side
    11,700.20x = 103,260,806.61
  5. Step 5: Solve for x
    x = 103,260,806.61/11,700.20
  6. Step 6: Final answer
    x = 8,825.56

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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.