Home / 11,842.02-16,347.18-8,318.34

Finding the Fourth Proportional to 11,842.02, 16,347.18 and 8,318.34

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Solution

The fourth proportional to 11,842.02, 16,347.18 and 8,318.34 is: 11,482.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,842.02 : 16,347.18 = 8,318.34 : x
  2. Step 2: Convert to fraction form
    11,842.02/16,347.18 = 8,318.34/x
  3. Step 3: Cross multiply
    11,842.02x = 16,347.18 × 8,318.34
  4. Step 4: Simplify right side
    11,842.02x = 135,981,401.28
  5. Step 5: Solve for x
    x = 135,981,401.28/11,842.02
  6. Step 6: Final answer
    x = 11,482.96

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.