Home / 17,640.54-26,460.51-8,278.38

Finding the Fourth Proportional to 17,640.54, 26,460.51 and 8,278.38

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Solution

The fourth proportional to 17,640.54, 26,460.51 and 8,278.38 is: 12,417.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,640.54 : 26,460.51 = 8,278.38 : x
  2. Step 2: Convert to fraction form
    17,640.54/26,460.51 = 8,278.38/x
  3. Step 3: Cross multiply
    17,640.54x = 26,460.51 × 8,278.38
  4. Step 4: Simplify right side
    17,640.54x = 219,050,156.77
  5. Step 5: Solve for x
    x = 219,050,156.77/17,640.54
  6. Step 6: Final answer
    x = 12,417.43

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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.