Home / 9,211.20-13,816.80-7,652.97

Finding the Fourth Proportional to 9,211.20, 13,816.80 and 7,652.97

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Solution

The fourth proportional to 9,211.20, 13,816.80 and 7,652.97 is: 11,479.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,211.20 : 13,816.80 = 7,652.97 : x
  2. Step 2: Convert to fraction form
    9,211.20/13,816.80 = 7,652.97/x
  3. Step 3: Cross multiply
    9,211.20x = 13,816.80 × 7,652.97
  4. Step 4: Simplify right side
    9,211.20x = 105,739,555.90
  5. Step 5: Solve for x
    x = 105,739,555.90/9,211.20
  6. Step 6: Final answer
    x = 11,479.46

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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.