Home / 10,319.13-15,478.70-2,527.88

Finding the Fourth Proportional to 10,319.13, 15,478.70 and 2,527.88

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Solution

The fourth proportional to 10,319.13, 15,478.70 and 2,527.88 is: 3,791.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,319.13 : 15,478.70 = 2,527.88 : x
  2. Step 2: Convert to fraction form
    10,319.13/15,478.70 = 2,527.88/x
  3. Step 3: Cross multiply
    10,319.13x = 15,478.70 × 2,527.88
  4. Step 4: Simplify right side
    10,319.13x = 39,128,206.12
  5. Step 5: Solve for x
    x = 39,128,206.12/10,319.13
  6. Step 6: Final answer
    x = 3,791.81

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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.