Home / 21,651.50-32,482.96-9,172.04

Finding the Fourth Proportional to 21,651.50, 32,482.96 and 9,172.04

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Solution

The fourth proportional to 21,651.50, 32,482.96 and 9,172.04 is: 13,760.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,651.50 : 32,482.96 = 9,172.04 : x
  2. Step 2: Convert to fraction form
    21,651.50/32,482.96 = 9,172.04/x
  3. Step 3: Cross multiply
    21,651.50x = 32,482.96 × 9,172.04
  4. Step 4: Simplify right side
    21,651.50x = 297,934,823.09
  5. Step 5: Solve for x
    x = 297,934,823.09/21,651.50
  6. Step 6: Final answer
    x = 13,760.47

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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.