Home / 10,342.87-15,519.43-4,102.73

Finding the Fourth Proportional to 10,342.87, 15,519.43 and 4,102.73

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Solution

The fourth proportional to 10,342.87, 15,519.43 and 4,102.73 is: 6,156.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,342.87 : 15,519.43 = 4,102.73 : x
  2. Step 2: Convert to fraction form
    10,342.87/15,519.43 = 4,102.73/x
  3. Step 3: Cross multiply
    10,342.87x = 15,519.43 × 4,102.73
  4. Step 4: Simplify right side
    10,342.87x = 63,672,104.07
  5. Step 5: Solve for x
    x = 63,672,104.07/10,342.87
  6. Step 6: Final answer
    x = 6,156.13

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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.