Home / 13,269.61-19,902.18-3,781.26

Finding the Fourth Proportional to 13,269.61, 19,902.18 and 3,781.26

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Solution

The fourth proportional to 13,269.61, 19,902.18 and 3,781.26 is: 5,671.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,269.61 : 19,902.18 = 3,781.26 : x
  2. Step 2: Convert to fraction form
    13,269.61/19,902.18 = 3,781.26/x
  3. Step 3: Cross multiply
    13,269.61x = 19,902.18 × 3,781.26
  4. Step 4: Simplify right side
    13,269.61x = 75,255,317.15
  5. Step 5: Solve for x
    x = 75,255,317.15/13,269.61
  6. Step 6: Final answer
    x = 5,671.25

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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.