Home / 11,127.18-15,361.06-6,410.55

Finding the Fourth Proportional to 11,127.18, 15,361.06 and 6,410.55

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Solution

The fourth proportional to 11,127.18, 15,361.06 and 6,410.55 is: 8,849.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,127.18 : 15,361.06 = 6,410.55 : x
  2. Step 2: Convert to fraction form
    11,127.18/15,361.06 = 6,410.55/x
  3. Step 3: Cross multiply
    11,127.18x = 15,361.06 × 6,410.55
  4. Step 4: Simplify right side
    11,127.18x = 98,472,843.18
  5. Step 5: Solve for x
    x = 98,472,843.18/11,127.18
  6. Step 6: Final answer
    x = 8,849.76

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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.