Home / 13,613.19-20,392.43-6,207.46

Finding the Fourth Proportional to 13,613.19, 20,392.43 and 6,207.46

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Solution

The fourth proportional to 13,613.19, 20,392.43 and 6,207.46 is: 9,298.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,613.19 : 20,392.43 = 6,207.46 : x
  2. Step 2: Convert to fraction form
    13,613.19/20,392.43 = 6,207.46/x
  3. Step 3: Cross multiply
    13,613.19x = 20,392.43 × 6,207.46
  4. Step 4: Simplify right side
    13,613.19x = 126,585,193.53
  5. Step 5: Solve for x
    x = 126,585,193.53/13,613.19
  6. Step 6: Final answer
    x = 9,298.72

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1.5x scale

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.