Home / 13,363.55-18,441.51-7,394.85

Finding the Fourth Proportional to 13,363.55, 18,441.51 and 7,394.85

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Solution

The fourth proportional to 13,363.55, 18,441.51 and 7,394.85 is: 10,204.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,363.55 : 18,441.51 = 7,394.85 : x
  2. Step 2: Convert to fraction form
    13,363.55/18,441.51 = 7,394.85/x
  3. Step 3: Cross multiply
    13,363.55x = 18,441.51 × 7,394.85
  4. Step 4: Simplify right side
    13,363.55x = 136,372,200.22
  5. Step 5: Solve for x
    x = 136,372,200.22/13,363.55
  6. Step 6: Final answer
    x = 10,204.79

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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.