Home / 13,528.39-20,294.52-4,169.20

Finding the Fourth Proportional to 13,528.39, 20,294.52 and 4,169.20

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Solution

The fourth proportional to 13,528.39, 20,294.52 and 4,169.20 is: 6,254.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,528.39 : 20,294.52 = 4,169.20 : x
  2. Step 2: Convert to fraction form
    13,528.39/20,294.52 = 4,169.20/x
  3. Step 3: Cross multiply
    13,528.39x = 20,294.52 × 4,169.20
  4. Step 4: Simplify right side
    13,528.39x = 84,611,912.78
  5. Step 5: Solve for x
    x = 84,611,912.78/13,528.39
  6. Step 6: Final answer
    x = 6,254.40

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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.