Home / 17,745.66-26,618.46-7,221.40

Finding the Fourth Proportional to 17,745.66, 26,618.46 and 7,221.40

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Solution

The fourth proportional to 17,745.66, 26,618.46 and 7,221.40 is: 10,832.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,745.66 : 26,618.46 = 7,221.40 : x
  2. Step 2: Convert to fraction form
    17,745.66/26,618.46 = 7,221.40/x
  3. Step 3: Cross multiply
    17,745.66x = 26,618.46 × 7,221.40
  4. Step 4: Simplify right side
    17,745.66x = 192,222,547.04
  5. Step 5: Solve for x
    x = 192,222,547.04/17,745.66
  6. Step 6: Final answer
    x = 10,832.09

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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.