Home / 21,876.18-32,809.41-6,290.16

Finding the Fourth Proportional to 21,876.18, 32,809.41 and 6,290.16

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Solution

The fourth proportional to 21,876.18, 32,809.41 and 6,290.16 is: 9,433.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,876.18 : 32,809.41 = 6,290.16 : x
  2. Step 2: Convert to fraction form
    21,876.18/32,809.41 = 6,290.16/x
  3. Step 3: Cross multiply
    21,876.18x = 32,809.41 × 6,290.16
  4. Step 4: Simplify right side
    21,876.18x = 206,376,438.41
  5. Step 5: Solve for x
    x = 206,376,438.41/21,876.18
  6. Step 6: Final answer
    x = 9,433.84

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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.