Home / 11,541.92-15,922.29-7,561.28

Finding the Fourth Proportional to 11,541.92, 15,922.29 and 7,561.28

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Solution

The fourth proportional to 11,541.92, 15,922.29 and 7,561.28 is: 10,430.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,541.92 : 15,922.29 = 7,561.28 : x
  2. Step 2: Convert to fraction form
    11,541.92/15,922.29 = 7,561.28/x
  3. Step 3: Cross multiply
    11,541.92x = 15,922.29 × 7,561.28
  4. Step 4: Simplify right side
    11,541.92x = 120,392,892.93
  5. Step 5: Solve for x
    x = 120,392,892.93/11,541.92
  6. Step 6: Final answer
    x = 10,430.92

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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.