Home / 13,951.14-19,252.56-7,663.92

Finding the Fourth Proportional to 13,951.14, 19,252.56 and 7,663.92

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Solution

The fourth proportional to 13,951.14, 19,252.56 and 7,663.92 is: 10,576.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,951.14 : 19,252.56 = 7,663.92 : x
  2. Step 2: Convert to fraction form
    13,951.14/19,252.56 = 7,663.92/x
  3. Step 3: Cross multiply
    13,951.14x = 19,252.56 × 7,663.92
  4. Step 4: Simplify right side
    13,951.14x = 147,550,079.64
  5. Step 5: Solve for x
    x = 147,550,079.64/13,951.14
  6. Step 6: Final answer
    x = 10,576.20

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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.