Home / 21,954.80-32,928.48-6,156.20

Finding the Fourth Proportional to 21,954.80, 32,928.48 and 6,156.20

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Solution

The fourth proportional to 21,954.80, 32,928.48 and 6,156.20 is: 9,233.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,954.80 : 32,928.48 = 6,156.20 : x
  2. Step 2: Convert to fraction form
    21,954.80/32,928.48 = 6,156.20/x
  3. Step 3: Cross multiply
    21,954.80x = 32,928.48 × 6,156.20
  4. Step 4: Simplify right side
    21,954.80x = 202,714,390.90
  5. Step 5: Solve for x
    x = 202,714,390.90/21,954.80
  6. Step 6: Final answer
    x = 9,233.26

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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.