Home / 12,416.04-17,131.50-7,377.84

Finding the Fourth Proportional to 12,416.04, 17,131.50 and 7,377.84

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Solution

The fourth proportional to 12,416.04, 17,131.50 and 7,377.84 is: 10,179.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,416.04 : 17,131.50 = 7,377.84 : x
  2. Step 2: Convert to fraction form
    12,416.04/17,131.50 = 7,377.84/x
  3. Step 3: Cross multiply
    12,416.04x = 17,131.50 × 7,377.84
  4. Step 4: Simplify right side
    12,416.04x = 126,393,465.96
  5. Step 5: Solve for x
    x = 126,393,465.96/12,416.04
  6. Step 6: Final answer
    x = 10,179.85

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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.