Home / 13,951.28-19,253.04-7,664

Finding the Fourth Proportional to 13,951.28, 19,253.04 and 7,664

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Solution

The fourth proportional to 13,951.28, 19,253.04 and 7,664 is: 10,576.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,951.28 : 19,253.04 = 7,664 : x
  2. Step 2: Convert to fraction form
    13,951.28/19,253.04 = 7,664/x
  3. Step 3: Cross multiply
    13,951.28x = 19,253.04 × 7,664
  4. Step 4: Simplify right side
    13,951.28x = 147,555,298.56
  5. Step 5: Solve for x
    x = 147,555,298.56/13,951.28
  6. Step 6: Final answer
    x = 10,576.47

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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.