Home / 8,972.01-13,451.31-6,190.74

Finding the Fourth Proportional to 8,972.01, 13,451.31 and 6,190.74

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Solution

The fourth proportional to 8,972.01, 13,451.31 and 6,190.74 is: 9,281.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,972.01 : 13,451.31 = 6,190.74 : x
  2. Step 2: Convert to fraction form
    8,972.01/13,451.31 = 6,190.74/x
  3. Step 3: Cross multiply
    8,972.01x = 13,451.31 × 6,190.74
  4. Step 4: Simplify right side
    8,972.01x = 83,273,562.87
  5. Step 5: Solve for x
    x = 83,273,562.87/8,972.01
  6. Step 6: Final answer
    x = 9,281.48

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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.