Home / 13,684.30-20,526.95-6,186.43

Finding the Fourth Proportional to 13,684.30, 20,526.95 and 6,186.43

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Solution

The fourth proportional to 13,684.30, 20,526.95 and 6,186.43 is: 9,279.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,684.30 : 20,526.95 = 6,186.43 : x
  2. Step 2: Convert to fraction form
    13,684.30/20,526.95 = 6,186.43/x
  3. Step 3: Cross multiply
    13,684.30x = 20,526.95 × 6,186.43
  4. Step 4: Simplify right side
    13,684.30x = 126,988,580.41
  5. Step 5: Solve for x
    x = 126,988,580.41/13,684.30
  6. Step 6: Final answer
    x = 9,279.88

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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.