Home / 21,612.30-32,433.04-8,463.03

Finding the Fourth Proportional to 21,612.30, 32,433.04 and 8,463.03

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Solution

The fourth proportional to 21,612.30, 32,433.04 and 8,463.03 is: 12,700.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,612.30 : 32,433.04 = 8,463.03 : x
  2. Step 2: Convert to fraction form
    21,612.30/32,433.04 = 8,463.03/x
  3. Step 3: Cross multiply
    21,612.30x = 32,433.04 × 8,463.03
  4. Step 4: Simplify right side
    21,612.30x = 274,481,790.51
  5. Step 5: Solve for x
    x = 274,481,790.51/21,612.30
  6. Step 6: Final answer
    x = 12,700.26

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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.