Home / 10,456.80-15,685.46-3,060.48

Finding the Fourth Proportional to 10,456.80, 15,685.46 and 3,060.48

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Solution

The fourth proportional to 10,456.80, 15,685.46 and 3,060.48 is: 4,590.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,456.80 : 15,685.46 = 3,060.48 : x
  2. Step 2: Convert to fraction form
    10,456.80/15,685.46 = 3,060.48/x
  3. Step 3: Cross multiply
    10,456.80x = 15,685.46 × 3,060.48
  4. Step 4: Simplify right side
    10,456.80x = 48,005,036.62
  5. Step 5: Solve for x
    x = 48,005,036.62/10,456.80
  6. Step 6: Final answer
    x = 4,590.80

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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.