Home / 11,212.98-15,473.00-6,432.87

Finding the Fourth Proportional to 11,212.98, 15,473.00 and 6,432.87

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Solution

The fourth proportional to 11,212.98, 15,473.00 and 6,432.87 is: 8,876.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,212.98 : 15,473.00 = 6,432.87 : x
  2. Step 2: Convert to fraction form
    11,212.98/15,473.00 = 6,432.87/x
  3. Step 3: Cross multiply
    11,212.98x = 15,473.00 × 6,432.87
  4. Step 4: Simplify right side
    11,212.98x = 99,535,765.35
  5. Step 5: Solve for x
    x = 99,535,765.35/11,212.98
  6. Step 6: Final answer
    x = 8,876.83

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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.