Home / 17,011.54-23,468.34-11,340.78

Finding the Fourth Proportional to 17,011.54, 23,468.34 and 11,340.78

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Solution

The fourth proportional to 17,011.54, 23,468.34 and 11,340.78 is: 15,645.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,011.54 : 23,468.34 = 11,340.78 : x
  2. Step 2: Convert to fraction form
    17,011.54/23,468.34 = 11,340.78/x
  3. Step 3: Cross multiply
    17,011.54x = 23,468.34 × 11,340.78
  4. Step 4: Simplify right side
    17,011.54x = 266,149,280.91
  5. Step 5: Solve for x
    x = 266,149,280.91/17,011.54
  6. Step 6: Final answer
    x = 15,645.22

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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.