Home / 17,377.76-23,962.29-12,909.80

Finding the Fourth Proportional to 17,377.76, 23,962.29 and 12,909.80

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Solution

The fourth proportional to 17,377.76, 23,962.29 and 12,909.80 is: 17,801.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,377.76 : 23,962.29 = 12,909.80 : x
  2. Step 2: Convert to fraction form
    17,377.76/23,962.29 = 12,909.80/x
  3. Step 3: Cross multiply
    17,377.76x = 23,962.29 × 12,909.80
  4. Step 4: Simplify right side
    17,377.76x = 309,348,371.44
  5. Step 5: Solve for x
    x = 309,348,371.44/17,377.76
  6. Step 6: Final answer
    x = 17,801.40

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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.