Home / 10,127.38-13,977.54-6,546.72

Finding the Fourth Proportional to 10,127.38, 13,977.54 and 6,546.72

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Solution

The fourth proportional to 10,127.38, 13,977.54 and 6,546.72 is: 9,035.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,127.38 : 13,977.54 = 6,546.72 : x
  2. Step 2: Convert to fraction form
    10,127.38/13,977.54 = 6,546.72/x
  3. Step 3: Cross multiply
    10,127.38x = 13,977.54 × 6,546.72
  4. Step 4: Simplify right side
    10,127.38x = 91,507,040.67
  5. Step 5: Solve for x
    x = 91,507,040.67/10,127.38
  6. Step 6: Final answer
    x = 9,035.61

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1.5x scale

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.