Home / 10,549.47-15,826.64-3,975.78

Finding the Fourth Proportional to 10,549.47, 15,826.64 and 3,975.78

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Solution

The fourth proportional to 10,549.47, 15,826.64 and 3,975.78 is: 5,964.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,549.47 : 15,826.64 = 3,975.78 : x
  2. Step 2: Convert to fraction form
    10,549.47/15,826.64 = 3,975.78/x
  3. Step 3: Cross multiply
    10,549.47x = 15,826.64 × 3,975.78
  4. Step 4: Simplify right side
    10,549.47x = 62,923,218.90
  5. Step 5: Solve for x
    x = 62,923,218.90/10,549.47
  6. Step 6: Final answer
    x = 5,964.59

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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.