Home / 10,127.46-15,193.47-3,108.11

Finding the Fourth Proportional to 10,127.46, 15,193.47 and 3,108.11

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Solution

The fourth proportional to 10,127.46, 15,193.47 and 3,108.11 is: 4,662.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,127.46 : 15,193.47 = 3,108.11 : x
  2. Step 2: Convert to fraction form
    10,127.46/15,193.47 = 3,108.11/x
  3. Step 3: Cross multiply
    10,127.46x = 15,193.47 × 3,108.11
  4. Step 4: Simplify right side
    10,127.46x = 47,222,900.07
  5. Step 5: Solve for x
    x = 47,222,900.07/10,127.46
  6. Step 6: Final answer
    x = 4,662.86

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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.