Home / 18,025.04-24,860.84-15,511.38

Finding the Fourth Proportional to 18,025.04, 24,860.84 and 15,511.38

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Solution

The fourth proportional to 18,025.04, 24,860.84 and 15,511.38 is: 21,393.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,025.04 : 24,860.84 = 15,511.38 : x
  2. Step 2: Convert to fraction form
    18,025.04/24,860.84 = 15,511.38/x
  3. Step 3: Cross multiply
    18,025.04x = 24,860.84 × 15,511.38
  4. Step 4: Simplify right side
    18,025.04x = 385,625,936.36
  5. Step 5: Solve for x
    x = 385,625,936.36/18,025.04
  6. Step 6: Final answer
    x = 21,393.90

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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.