Home / 10,104.12-13,943.16-5,627.70

Finding the Fourth Proportional to 10,104.12, 13,943.16 and 5,627.70

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Solution

The fourth proportional to 10,104.12, 13,943.16 and 5,627.70 is: 7,765.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,104.12 : 13,943.16 = 5,627.70 : x
  2. Step 2: Convert to fraction form
    10,104.12/13,943.16 = 5,627.70/x
  3. Step 3: Cross multiply
    10,104.12x = 13,943.16 × 5,627.70
  4. Step 4: Simplify right side
    10,104.12x = 78,467,921.53
  5. Step 5: Solve for x
    x = 78,467,921.53/10,104.12
  6. Step 6: Final answer
    x = 7,765.93

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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.