Home / 18,747.52-28,063.36-10,292.88

Finding the Fourth Proportional to 18,747.52, 28,063.36 and 10,292.88

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Solution

The fourth proportional to 18,747.52, 28,063.36 and 10,292.88 is: 15,407.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,747.52 : 28,063.36 = 10,292.88 : x
  2. Step 2: Convert to fraction form
    18,747.52/28,063.36 = 10,292.88/x
  3. Step 3: Cross multiply
    18,747.52x = 28,063.36 × 10,292.88
  4. Step 4: Simplify right side
    18,747.52x = 288,852,796.88
  5. Step 5: Solve for x
    x = 288,852,796.88/18,747.52
  6. Step 6: Final answer
    x = 15,407.52

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1.5x scale

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.