Home / 17,559.38-26,338.71-5,078.90

Finding the Fourth Proportional to 17,559.38, 26,338.71 and 5,078.90

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Solution

The fourth proportional to 17,559.38, 26,338.71 and 5,078.90 is: 7,618.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,559.38 : 26,338.71 = 5,078.90 : x
  2. Step 2: Convert to fraction form
    17,559.38/26,338.71 = 5,078.90/x
  3. Step 3: Cross multiply
    17,559.38x = 26,338.71 × 5,078.90
  4. Step 4: Simplify right side
    17,559.38x = 133,771,674.22
  5. Step 5: Solve for x
    x = 133,771,674.22/17,559.38
  6. Step 6: Final answer
    x = 7,618.25

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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.