Home / 17,329.54-23,889.21-12,278.14

Finding the Fourth Proportional to 17,329.54, 23,889.21 and 12,278.14

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Solution

The fourth proportional to 17,329.54, 23,889.21 and 12,278.14 is: 16,925.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,329.54 : 23,889.21 = 12,278.14 : x
  2. Step 2: Convert to fraction form
    17,329.54/23,889.21 = 12,278.14/x
  3. Step 3: Cross multiply
    17,329.54x = 23,889.21 × 12,278.14
  4. Step 4: Simplify right side
    17,329.54x = 293,315,064.87
  5. Step 5: Solve for x
    x = 293,315,064.87/17,329.54
  6. Step 6: Final answer
    x = 16,925.73

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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.