Home / 15,108.54-22,643.64-8,538.42

Finding the Fourth Proportional to 15,108.54, 22,643.64 and 8,538.42

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Solution

The fourth proportional to 15,108.54, 22,643.64 and 8,538.42 is: 12,796.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,108.54 : 22,643.64 = 8,538.42 : x
  2. Step 2: Convert to fraction form
    15,108.54/22,643.64 = 8,538.42/x
  3. Step 3: Cross multiply
    15,108.54x = 22,643.64 × 8,538.42
  4. Step 4: Simplify right side
    15,108.54x = 193,340,908.65
  5. Step 5: Solve for x
    x = 193,340,908.65/15,108.54
  6. Step 6: Final answer
    x = 12,796.80

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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.