Home / 11,020.04-15,200.94-6,540.76

Finding the Fourth Proportional to 11,020.04, 15,200.94 and 6,540.76

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Solution

The fourth proportional to 11,020.04, 15,200.94 and 6,540.76 is: 9,022.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,020.04 : 15,200.94 = 6,540.76 : x
  2. Step 2: Convert to fraction form
    11,020.04/15,200.94 = 6,540.76/x
  3. Step 3: Cross multiply
    11,020.04x = 15,200.94 × 6,540.76
  4. Step 4: Simplify right side
    11,020.04x = 99,425,700.31
  5. Step 5: Solve for x
    x = 99,425,700.31/11,020.04
  6. Step 6: Final answer
    x = 9,022.26

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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.