Home / 10,543.08-15,815.37-3,146.94

Finding the Fourth Proportional to 10,543.08, 15,815.37 and 3,146.94

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Solution

The fourth proportional to 10,543.08, 15,815.37 and 3,146.94 is: 4,720.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,543.08 : 15,815.37 = 3,146.94 : x
  2. Step 2: Convert to fraction form
    10,543.08/15,815.37 = 3,146.94/x
  3. Step 3: Cross multiply
    10,543.08x = 15,815.37 × 3,146.94
  4. Step 4: Simplify right side
    10,543.08x = 49,770,020.47
  5. Step 5: Solve for x
    x = 49,770,020.47/10,543.08
  6. Step 6: Final answer
    x = 4,720.63

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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.