Home / 15,194.48-20,967.92-8,480.08

Finding the Fourth Proportional to 15,194.48, 20,967.92 and 8,480.08

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Solution

The fourth proportional to 15,194.48, 20,967.92 and 8,480.08 is: 11,702.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,194.48 : 20,967.92 = 8,480.08 : x
  2. Step 2: Convert to fraction form
    15,194.48/20,967.92 = 8,480.08/x
  3. Step 3: Cross multiply
    15,194.48x = 20,967.92 × 8,480.08
  4. Step 4: Simplify right side
    15,194.48x = 177,809,639.03
  5. Step 5: Solve for x
    x = 177,809,639.03/15,194.48
  6. Step 6: Final answer
    x = 11,702.25

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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.