Home / 8,982.11-12,393.87-5,003.21

Finding the Fourth Proportional to 8,982.11, 12,393.87 and 5,003.21

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Solution

The fourth proportional to 8,982.11, 12,393.87 and 5,003.21 is: 6,903.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,982.11 : 12,393.87 = 5,003.21 : x
  2. Step 2: Convert to fraction form
    8,982.11/12,393.87 = 5,003.21/x
  3. Step 3: Cross multiply
    8,982.11x = 12,393.87 × 5,003.21
  4. Step 4: Simplify right side
    8,982.11x = 62,009,134.32
  5. Step 5: Solve for x
    x = 62,009,134.32/8,982.11
  6. Step 6: Final answer
    x = 6,903.63

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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.