Home / 10,934.12-16,401.30-3,143

Finding the Fourth Proportional to 10,934.12, 16,401.30 and 3,143

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Solution

The fourth proportional to 10,934.12, 16,401.30 and 3,143 is: 4,714.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,934.12 : 16,401.30 = 3,143 : x
  2. Step 2: Convert to fraction form
    10,934.12/16,401.30 = 3,143/x
  3. Step 3: Cross multiply
    10,934.12x = 16,401.30 × 3,143
  4. Step 4: Simplify right side
    10,934.12x = 51,549,285.90
  5. Step 5: Solve for x
    x = 51,549,285.90/10,934.12
  6. Step 6: Final answer
    x = 4,714.53

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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.