Home / 13,876.26-19,132.54-9,630.96

Finding the Fourth Proportional to 13,876.26, 19,132.54 and 9,630.96

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Solution

The fourth proportional to 13,876.26, 19,132.54 and 9,630.96 is: 13,279.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,876.26 : 19,132.54 = 9,630.96 : x
  2. Step 2: Convert to fraction form
    13,876.26/19,132.54 = 9,630.96/x
  3. Step 3: Cross multiply
    13,876.26x = 19,132.54 × 9,630.96
  4. Step 4: Simplify right side
    13,876.26x = 184,264,727.44
  5. Step 5: Solve for x
    x = 184,264,727.44/13,876.26
  6. Step 6: Final answer
    x = 13,279.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.