Home / 9,141.23-12,614.11-5,161.97

Finding the Fourth Proportional to 9,141.23, 12,614.11 and 5,161.97

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Solution

The fourth proportional to 9,141.23, 12,614.11 and 5,161.97 is: 7,123.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,141.23 : 12,614.11 = 5,161.97 : x
  2. Step 2: Convert to fraction form
    9,141.23/12,614.11 = 5,161.97/x
  3. Step 3: Cross multiply
    9,141.23x = 12,614.11 × 5,161.97
  4. Step 4: Simplify right side
    9,141.23x = 65,113,581.42
  5. Step 5: Solve for x
    x = 65,113,581.42/9,141.23
  6. Step 6: Final answer
    x = 7,123.07

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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.