Home / 8,159.56-12,219.90-6,297.10

Finding the Fourth Proportional to 8,159.56, 12,219.90 and 6,297.10

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Solution

The fourth proportional to 8,159.56, 12,219.90 and 6,297.10 is: 9,430.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,159.56 : 12,219.90 = 6,297.10 : x
  2. Step 2: Convert to fraction form
    8,159.56/12,219.90 = 6,297.10/x
  3. Step 3: Cross multiply
    8,159.56x = 12,219.90 × 6,297.10
  4. Step 4: Simplify right side
    8,159.56x = 76,949,932.29
  5. Step 5: Solve for x
    x = 76,949,932.29/8,159.56
  6. Step 6: Final answer
    x = 9,430.65

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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.