Home / 21,445.80-32,166.96-8,961.24

Finding the Fourth Proportional to 21,445.80, 32,166.96 and 8,961.24

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Solution

The fourth proportional to 21,445.80, 32,166.96 and 8,961.24 is: 13,441.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,445.80 : 32,166.96 = 8,961.24 : x
  2. Step 2: Convert to fraction form
    21,445.80/32,166.96 = 8,961.24/x
  3. Step 3: Cross multiply
    21,445.80x = 32,166.96 × 8,961.24
  4. Step 4: Simplify right side
    21,445.80x = 288,255,848.63
  5. Step 5: Solve for x
    x = 288,255,848.63/21,445.80
  6. Step 6: Final answer
    x = 13,441.13

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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.