Home / 10,102.89-13,944.24-6,470.04

Finding the Fourth Proportional to 10,102.89, 13,944.24 and 6,470.04

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Solution

The fourth proportional to 10,102.89, 13,944.24 and 6,470.04 is: 8,930.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,102.89 : 13,944.24 = 6,470.04 : x
  2. Step 2: Convert to fraction form
    10,102.89/13,944.24 = 6,470.04/x
  3. Step 3: Cross multiply
    10,102.89x = 13,944.24 × 6,470.04
  4. Step 4: Simplify right side
    10,102.89x = 90,219,790.57
  5. Step 5: Solve for x
    x = 90,219,790.57/10,102.89
  6. Step 6: Final answer
    x = 8,930.10

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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.