Home / 13,524.94-20,287.14-6,128.02

Finding the Fourth Proportional to 13,524.94, 20,287.14 and 6,128.02

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Solution

The fourth proportional to 13,524.94, 20,287.14 and 6,128.02 is: 9,191.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,524.94 : 20,287.14 = 6,128.02 : x
  2. Step 2: Convert to fraction form
    13,524.94/20,287.14 = 6,128.02/x
  3. Step 3: Cross multiply
    13,524.94x = 20,287.14 × 6,128.02
  4. Step 4: Simplify right side
    13,524.94x = 124,319,925.96
  5. Step 5: Solve for x
    x = 124,319,925.96/13,524.94
  6. Step 6: Final answer
    x = 9,191.90

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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.