Home / 21,962.08-30,310.20-12,532

Finding the Fourth Proportional to 21,962.08, 30,310.20 and 12,532

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Solution

The fourth proportional to 21,962.08, 30,310.20 and 12,532 is: 17,295.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,962.08 : 30,310.20 = 12,532 : x
  2. Step 2: Convert to fraction form
    21,962.08/30,310.20 = 12,532/x
  3. Step 3: Cross multiply
    21,962.08x = 30,310.20 × 12,532
  4. Step 4: Simplify right side
    21,962.08x = 379,847,426.40
  5. Step 5: Solve for x
    x = 379,847,426.40/21,962.08
  6. Step 6: Final answer
    x = 17,295.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.