Home / 8,158.56-12,218.40-6,296.10

Finding the Fourth Proportional to 8,158.56, 12,218.40 and 6,296.10

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Solution

The fourth proportional to 8,158.56, 12,218.40 and 6,296.10 is: 9,429.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,158.56 : 12,218.40 = 6,296.10 : x
  2. Step 2: Convert to fraction form
    8,158.56/12,218.40 = 6,296.10/x
  3. Step 3: Cross multiply
    8,158.56x = 12,218.40 × 6,296.10
  4. Step 4: Simplify right side
    8,158.56x = 76,928,268.24
  5. Step 5: Solve for x
    x = 76,928,268.24/8,158.56
  6. Step 6: Final answer
    x = 9,429.15

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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.