Home / 17,851.20-26,778.12-5,370.21

Finding the Fourth Proportional to 17,851.20, 26,778.12 and 5,370.21

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Solution

The fourth proportional to 17,851.20, 26,778.12 and 5,370.21 is: 8,055.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,851.20 : 26,778.12 = 5,370.21 : x
  2. Step 2: Convert to fraction form
    17,851.20/26,778.12 = 5,370.21/x
  3. Step 3: Cross multiply
    17,851.20x = 26,778.12 × 5,370.21
  4. Step 4: Simplify right side
    17,851.20x = 143,804,127.81
  5. Step 5: Solve for x
    x = 143,804,127.81/17,851.20
  6. Step 6: Final answer
    x = 8,055.71

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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.