Home / 17,826.78-26,739.84-6,139.74

Finding the Fourth Proportional to 17,826.78, 26,739.84 and 6,139.74

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Solution

The fourth proportional to 17,826.78, 26,739.84 and 6,139.74 is: 9,209.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,826.78 : 26,739.84 = 6,139.74 : x
  2. Step 2: Convert to fraction form
    17,826.78/26,739.84 = 6,139.74/x
  3. Step 3: Cross multiply
    17,826.78x = 26,739.84 × 6,139.74
  4. Step 4: Simplify right side
    17,826.78x = 164,175,665.24
  5. Step 5: Solve for x
    x = 164,175,665.24/17,826.78
  6. Step 6: Final answer
    x = 9,209.50

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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.