Home / 17,778.24-26,671.68-5,297.76

Finding the Fourth Proportional to 17,778.24, 26,671.68 and 5,297.76

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Solution

The fourth proportional to 17,778.24, 26,671.68 and 5,297.76 is: 7,947.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,778.24 : 26,671.68 = 5,297.76 : x
  2. Step 2: Convert to fraction form
    17,778.24/26,671.68 = 5,297.76/x
  3. Step 3: Cross multiply
    17,778.24x = 26,671.68 × 5,297.76
  4. Step 4: Simplify right side
    17,778.24x = 141,300,159.44
  5. Step 5: Solve for x
    x = 141,300,159.44/17,778.24
  6. Step 6: Final answer
    x = 7,947.93

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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.