Home / 18,543.04-25,575.84-13,508.80

Finding the Fourth Proportional to 18,543.04, 25,575.84 and 13,508.80

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Solution

The fourth proportional to 18,543.04, 25,575.84 and 13,508.80 is: 18,632.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,543.04 : 25,575.84 = 13,508.80 : x
  2. Step 2: Convert to fraction form
    18,543.04/25,575.84 = 13,508.80/x
  3. Step 3: Cross multiply
    18,543.04x = 25,575.84 × 13,508.80
  4. Step 4: Simplify right side
    18,543.04x = 345,498,907.39
  5. Step 5: Solve for x
    x = 345,498,907.39/18,543.04
  6. Step 6: Final answer
    x = 18,632.27

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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.