Home / 21,387.56-32,073.66-8,233.32

Finding the Fourth Proportional to 21,387.56, 32,073.66 and 8,233.32

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Solution

The fourth proportional to 21,387.56, 32,073.66 and 8,233.32 is: 12,347.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,387.56 : 32,073.66 = 8,233.32 : x
  2. Step 2: Convert to fraction form
    21,387.56/32,073.66 = 8,233.32/x
  3. Step 3: Cross multiply
    21,387.56x = 32,073.66 × 8,233.32
  4. Step 4: Simplify right side
    21,387.56x = 264,072,706.35
  5. Step 5: Solve for x
    x = 264,072,706.35/21,387.56
  6. Step 6: Final answer
    x = 12,347.02

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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.