Home / 13,177.28-19,777.62-6,161.11

Finding the Fourth Proportional to 13,177.28, 19,777.62 and 6,161.11

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Solution

The fourth proportional to 13,177.28, 19,777.62 and 6,161.11 is: 9,247.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,177.28 : 19,777.62 = 6,161.11 : x
  2. Step 2: Convert to fraction form
    13,177.28/19,777.62 = 6,161.11/x
  3. Step 3: Cross multiply
    13,177.28x = 19,777.62 × 6,161.11
  4. Step 4: Simplify right side
    13,177.28x = 121,852,142.61
  5. Step 5: Solve for x
    x = 121,852,142.61/13,177.28
  6. Step 6: Final answer
    x = 9,247.14

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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.