Home / 11,006.28-15,188.85-6,290.46

Finding the Fourth Proportional to 11,006.28, 15,188.85 and 6,290.46

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Solution

The fourth proportional to 11,006.28, 15,188.85 and 6,290.46 is: 8,680.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,006.28 : 15,188.85 = 6,290.46 : x
  2. Step 2: Convert to fraction form
    11,006.28/15,188.85 = 6,290.46/x
  3. Step 3: Cross multiply
    11,006.28x = 15,188.85 × 6,290.46
  4. Step 4: Simplify right side
    11,006.28x = 95,544,853.37
  5. Step 5: Solve for x
    x = 95,544,853.37/11,006.28
  6. Step 6: Final answer
    x = 8,680.94

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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.