Home / 10,192.40-15,285.96-2,795.12

Finding the Fourth Proportional to 10,192.40, 15,285.96 and 2,795.12

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Solution

The fourth proportional to 10,192.40, 15,285.96 and 2,795.12 is: 4,191.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,192.40 : 15,285.96 = 2,795.12 : x
  2. Step 2: Convert to fraction form
    10,192.40/15,285.96 = 2,795.12/x
  3. Step 3: Cross multiply
    10,192.40x = 15,285.96 × 2,795.12
  4. Step 4: Simplify right side
    10,192.40x = 42,726,092.52
  5. Step 5: Solve for x
    x = 42,726,092.52/10,192.40
  6. Step 6: Final answer
    x = 4,191.96

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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.