Home / 10,403.25-15,604.88-4,247.25

Finding the Fourth Proportional to 10,403.25, 15,604.88 and 4,247.25

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Solution

The fourth proportional to 10,403.25, 15,604.88 and 4,247.25 is: 6,370.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,403.25 : 15,604.88 = 4,247.25 : x
  2. Step 2: Convert to fraction form
    10,403.25/15,604.88 = 4,247.25/x
  3. Step 3: Cross multiply
    10,403.25x = 15,604.88 × 4,247.25
  4. Step 4: Simplify right side
    10,403.25x = 66,277,805.34
  5. Step 5: Solve for x
    x = 66,277,805.34/10,403.25
  6. Step 6: Final answer
    x = 6,370.88

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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.