Home / 21,552.08-32,316.57-8,223.12

Finding the Fourth Proportional to 21,552.08, 32,316.57 and 8,223.12

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Solution

The fourth proportional to 21,552.08, 32,316.57 and 8,223.12 is: 12,330.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,552.08 : 32,316.57 = 8,223.12 : x
  2. Step 2: Convert to fraction form
    21,552.08/32,316.57 = 8,223.12/x
  3. Step 3: Cross multiply
    21,552.08x = 32,316.57 × 8,223.12
  4. Step 4: Simplify right side
    21,552.08x = 265,743,033.10
  5. Step 5: Solve for x
    x = 265,743,033.10/21,552.08
  6. Step 6: Final answer
    x = 12,330.28

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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.