Home / 13,894.38-20,841.30-3,506.22

Finding the Fourth Proportional to 13,894.38, 20,841.30 and 3,506.22

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Solution

The fourth proportional to 13,894.38, 20,841.30 and 3,506.22 is: 5,259.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,894.38 : 20,841.30 = 3,506.22 : x
  2. Step 2: Convert to fraction form
    13,894.38/20,841.30 = 3,506.22/x
  3. Step 3: Cross multiply
    13,894.38x = 20,841.30 × 3,506.22
  4. Step 4: Simplify right side
    13,894.38x = 73,074,182.89
  5. Step 5: Solve for x
    x = 73,074,182.89/13,894.38
  6. Step 6: Final answer
    x = 5,259.26

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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.