Home / 10,246.34-15,380.04-5,314.66

Finding the Fourth Proportional to 10,246.34, 15,380.04 and 5,314.66

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Solution

The fourth proportional to 10,246.34, 15,380.04 and 5,314.66 is: 7,977.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,246.34 : 15,380.04 = 5,314.66 : x
  2. Step 2: Convert to fraction form
    10,246.34/15,380.04 = 5,314.66/x
  3. Step 3: Cross multiply
    10,246.34x = 15,380.04 × 5,314.66
  4. Step 4: Simplify right side
    10,246.34x = 81,739,606.49
  5. Step 5: Solve for x
    x = 81,739,606.49/10,246.34
  6. Step 6: Final answer
    x = 7,977.44

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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.