Home / 13,348.32-20,023.43-3,988.23

Finding the Fourth Proportional to 13,348.32, 20,023.43 and 3,988.23

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Solution

The fourth proportional to 13,348.32, 20,023.43 and 3,988.23 is: 5,982.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,348.32 : 20,023.43 = 3,988.23 : x
  2. Step 2: Convert to fraction form
    13,348.32/20,023.43 = 3,988.23/x
  3. Step 3: Cross multiply
    13,348.32x = 20,023.43 × 3,988.23
  4. Step 4: Simplify right side
    13,348.32x = 79,858,024.29
  5. Step 5: Solve for x
    x = 79,858,024.29/13,348.32
  6. Step 6: Final answer
    x = 5,982.63

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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.