Home / 10,100.76-15,127.62-9,750.43

Finding the Fourth Proportional to 10,100.76, 15,127.62 and 9,750.43

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Solution

The fourth proportional to 10,100.76, 15,127.62 and 9,750.43 is: 14,602.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,100.76 : 15,127.62 = 9,750.43 : x
  2. Step 2: Convert to fraction form
    10,100.76/15,127.62 = 9,750.43/x
  3. Step 3: Cross multiply
    10,100.76x = 15,127.62 × 9,750.43
  4. Step 4: Simplify right side
    10,100.76x = 147,500,799.88
  5. Step 5: Solve for x
    x = 147,500,799.88/10,100.76
  6. Step 6: Final answer
    x = 14,602.94

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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.