Home / 13,363.80-20,045.70-3,503.04

Finding the Fourth Proportional to 13,363.80, 20,045.70 and 3,503.04

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Solution

The fourth proportional to 13,363.80, 20,045.70 and 3,503.04 is: 5,254.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,363.80 : 20,045.70 = 3,503.04 : x
  2. Step 2: Convert to fraction form
    13,363.80/20,045.70 = 3,503.04/x
  3. Step 3: Cross multiply
    13,363.80x = 20,045.70 × 3,503.04
  4. Step 4: Simplify right side
    13,363.80x = 70,220,888.93
  5. Step 5: Solve for x
    x = 70,220,888.93/13,363.80
  6. Step 6: Final answer
    x = 5,254.56

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Similar ratio
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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.