Home / 10,242.75-15,370.08-4,319.26

Finding the Fourth Proportional to 10,242.75, 15,370.08 and 4,319.26

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Solution

The fourth proportional to 10,242.75, 15,370.08 and 4,319.26 is: 6,481.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,242.75 : 15,370.08 = 4,319.26 : x
  2. Step 2: Convert to fraction form
    10,242.75/15,370.08 = 4,319.26/x
  3. Step 3: Cross multiply
    10,242.75x = 15,370.08 × 4,319.26
  4. Step 4: Simplify right side
    10,242.75x = 66,387,371.74
  5. Step 5: Solve for x
    x = 66,387,371.74/10,242.75
  6. Step 6: Final answer
    x = 6,481.40

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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.