Home / 13,346.30-18,416.30-7,377.15

Finding the Fourth Proportional to 13,346.30, 18,416.30 and 7,377.15

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Solution

The fourth proportional to 13,346.30, 18,416.30 and 7,377.15 is: 10,179.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,346.30 : 18,416.30 = 7,377.15 : x
  2. Step 2: Convert to fraction form
    13,346.30/18,416.30 = 7,377.15/x
  3. Step 3: Cross multiply
    13,346.30x = 18,416.30 × 7,377.15
  4. Step 4: Simplify right side
    13,346.30x = 135,859,839.72
  5. Step 5: Solve for x
    x = 135,859,839.72/13,346.30
  6. Step 6: Final answer
    x = 10,179.59

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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.