Home / 10,472.80-15,705.06-4,231.63

Finding the Fourth Proportional to 10,472.80, 15,705.06 and 4,231.63

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Solution

The fourth proportional to 10,472.80, 15,705.06 and 4,231.63 is: 6,345.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,472.80 : 15,705.06 = 4,231.63 : x
  2. Step 2: Convert to fraction form
    10,472.80/15,705.06 = 4,231.63/x
  3. Step 3: Cross multiply
    10,472.80x = 15,705.06 × 4,231.63
  4. Step 4: Simplify right side
    10,472.80x = 66,458,003.05
  5. Step 5: Solve for x
    x = 66,458,003.05/10,472.80
  6. Step 6: Final answer
    x = 6,345.78

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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.