Home / 11,177.17-15,424.42-6,141.28

Finding the Fourth Proportional to 11,177.17, 15,424.42 and 6,141.28

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Solution

The fourth proportional to 11,177.17, 15,424.42 and 6,141.28 is: 8,474.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,177.17 : 15,424.42 = 6,141.28 : x
  2. Step 2: Convert to fraction form
    11,177.17/15,424.42 = 6,141.28/x
  3. Step 3: Cross multiply
    11,177.17x = 15,424.42 × 6,141.28
  4. Step 4: Simplify right side
    11,177.17x = 94,725,682.06
  5. Step 5: Solve for x
    x = 94,725,682.06/11,177.17
  6. Step 6: Final answer
    x = 8,474.93

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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.