Home / 21,401.13-32,114.39-9,714.18

Finding the Fourth Proportional to 21,401.13, 32,114.39 and 9,714.18

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Solution

The fourth proportional to 21,401.13, 32,114.39 and 9,714.18 is: 14,577.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,401.13 : 32,114.39 = 9,714.18 : x
  2. Step 2: Convert to fraction form
    21,401.13/32,114.39 = 9,714.18/x
  3. Step 3: Cross multiply
    21,401.13x = 32,114.39 × 9,714.18
  4. Step 4: Simplify right side
    21,401.13x = 311,964,965.05
  5. Step 5: Solve for x
    x = 311,964,965.05/21,401.13
  6. Step 6: Final answer
    x = 14,577.03

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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.