Home / 17,029.20-25,543.80-11,780.40

Finding the Fourth Proportional to 17,029.20, 25,543.80 and 11,780.40

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Solution

The fourth proportional to 17,029.20, 25,543.80 and 11,780.40 is: 17,670.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,029.20 : 25,543.80 = 11,780.40 : x
  2. Step 2: Convert to fraction form
    17,029.20/25,543.80 = 11,780.40/x
  3. Step 3: Cross multiply
    17,029.20x = 25,543.80 × 11,780.40
  4. Step 4: Simplify right side
    17,029.20x = 300,916,181.52
  5. Step 5: Solve for x
    x = 300,916,181.52/17,029.20
  6. Step 6: Final answer
    x = 17,670.60

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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.