Home / 10,301.52-15,440.38-4,743.21

Finding the Fourth Proportional to 10,301.52, 15,440.38 and 4,743.21

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Solution

The fourth proportional to 10,301.52, 15,440.38 and 4,743.21 is: 7,109.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,301.52 : 15,440.38 = 4,743.21 : x
  2. Step 2: Convert to fraction form
    10,301.52/15,440.38 = 4,743.21/x
  3. Step 3: Cross multiply
    10,301.52x = 15,440.38 × 4,743.21
  4. Step 4: Simplify right side
    10,301.52x = 73,236,964.82
  5. Step 5: Solve for x
    x = 73,236,964.82/10,301.52
  6. Step 6: Final answer
    x = 7,109.34

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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.