Home / 12,738.96-19,079.28-8,846.10

Finding the Fourth Proportional to 12,738.96, 19,079.28 and 8,846.10

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Solution

The fourth proportional to 12,738.96, 19,079.28 and 8,846.10 is: 13,248.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,738.96 : 19,079.28 = 8,846.10 : x
  2. Step 2: Convert to fraction form
    12,738.96/19,079.28 = 8,846.10/x
  3. Step 3: Cross multiply
    12,738.96x = 19,079.28 × 8,846.10
  4. Step 4: Simplify right side
    12,738.96x = 168,777,218.81
  5. Step 5: Solve for x
    x = 168,777,218.81/12,738.96
  6. Step 6: Final answer
    x = 13,248.90

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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.