Home / 10,209.24-15,319.79-3,973.56

Finding the Fourth Proportional to 10,209.24, 15,319.79 and 3,973.56

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Solution

The fourth proportional to 10,209.24, 15,319.79 and 3,973.56 is: 5,962.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,209.24 : 15,319.79 = 3,973.56 : x
  2. Step 2: Convert to fraction form
    10,209.24/15,319.79 = 3,973.56/x
  3. Step 3: Cross multiply
    10,209.24x = 15,319.79 × 3,973.56
  4. Step 4: Simplify right side
    10,209.24x = 60,874,104.75
  5. Step 5: Solve for x
    x = 60,874,104.75/10,209.24
  6. Step 6: Final answer
    x = 5,962.65

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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.