Home / 21,432.34-32,146.05-5,851.18

Finding the Fourth Proportional to 21,432.34, 32,146.05 and 5,851.18

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Solution

The fourth proportional to 21,432.34, 32,146.05 and 5,851.18 is: 8,776.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,432.34 : 32,146.05 = 5,851.18 : x
  2. Step 2: Convert to fraction form
    21,432.34/32,146.05 = 5,851.18/x
  3. Step 3: Cross multiply
    21,432.34x = 32,146.05 × 5,851.18
  4. Step 4: Simplify right side
    21,432.34x = 188,092,324.84
  5. Step 5: Solve for x
    x = 188,092,324.84/21,432.34
  6. Step 6: Final answer
    x = 8,776.10

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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.