Home / 10,530.54-15,803.97-3,962.70

Finding the Fourth Proportional to 10,530.54, 15,803.97 and 3,962.70

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Solution

The fourth proportional to 10,530.54, 15,803.97 and 3,962.70 is: 5,947.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,530.54 : 15,803.97 = 3,962.70 : x
  2. Step 2: Convert to fraction form
    10,530.54/15,803.97 = 3,962.70/x
  3. Step 3: Cross multiply
    10,530.54x = 15,803.97 × 3,962.70
  4. Step 4: Simplify right side
    10,530.54x = 62,626,391.92
  5. Step 5: Solve for x
    x = 62,626,391.92/10,530.54
  6. Step 6: Final answer
    x = 5,947.12

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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.