Home / 21,460.12-32,204.46-8,820.24

Finding the Fourth Proportional to 21,460.12, 32,204.46 and 8,820.24

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Solution

The fourth proportional to 21,460.12, 32,204.46 and 8,820.24 is: 13,236.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,460.12 : 32,204.46 = 8,820.24 : x
  2. Step 2: Convert to fraction form
    21,460.12/32,204.46 = 8,820.24/x
  3. Step 3: Cross multiply
    21,460.12x = 32,204.46 × 8,820.24
  4. Step 4: Simplify right side
    21,460.12x = 284,051,146.78
  5. Step 5: Solve for x
    x = 284,051,146.78/21,460.12
  6. Step 6: Final answer
    x = 13,236.23

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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.