Home / 21,480.33-32,212.77-7,436.55

Finding the Fourth Proportional to 21,480.33, 32,212.77 and 7,436.55

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Solution

The fourth proportional to 21,480.33, 32,212.77 and 7,436.55 is: 11,152.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,480.33 : 32,212.77 = 7,436.55 : x
  2. Step 2: Convert to fraction form
    21,480.33/32,212.77 = 7,436.55/x
  3. Step 3: Cross multiply
    21,480.33x = 32,212.77 × 7,436.55
  4. Step 4: Simplify right side
    21,480.33x = 239,551,874.74
  5. Step 5: Solve for x
    x = 239,551,874.74/21,480.33
  6. Step 6: Final answer
    x = 11,152.15

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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.