Home / 12,842.57-19,232.38-10,607.74

Finding the Fourth Proportional to 12,842.57, 19,232.38 and 10,607.74

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Solution

The fourth proportional to 12,842.57, 19,232.38 and 10,607.74 is: 15,885.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,842.57 : 19,232.38 = 10,607.74 : x
  2. Step 2: Convert to fraction form
    12,842.57/19,232.38 = 10,607.74/x
  3. Step 3: Cross multiply
    12,842.57x = 19,232.38 × 10,607.74
  4. Step 4: Simplify right side
    12,842.57x = 204,012,086.62
  5. Step 5: Solve for x
    x = 204,012,086.62/12,842.57
  6. Step 6: Final answer
    x = 15,885.61

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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.