Home / 10,548.15-15,822.26-3,972.57

Finding the Fourth Proportional to 10,548.15, 15,822.26 and 3,972.57

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Solution

The fourth proportional to 10,548.15, 15,822.26 and 3,972.57 is: 5,958.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,548.15 : 15,822.26 = 3,972.57 : x
  2. Step 2: Convert to fraction form
    10,548.15/15,822.26 = 3,972.57/x
  3. Step 3: Cross multiply
    10,548.15x = 15,822.26 × 3,972.57
  4. Step 4: Simplify right side
    10,548.15x = 62,855,035.41
  5. Step 5: Solve for x
    x = 62,855,035.41/10,548.15
  6. Step 6: Final answer
    x = 5,958.87

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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.