Home / 17,620.57-26,431.74-5,141.53

Finding the Fourth Proportional to 17,620.57, 26,431.74 and 5,141.53

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Solution

The fourth proportional to 17,620.57, 26,431.74 and 5,141.53 is: 7,712.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,620.57 : 26,431.74 = 5,141.53 : x
  2. Step 2: Convert to fraction form
    17,620.57/26,431.74 = 5,141.53/x
  3. Step 3: Cross multiply
    17,620.57x = 26,431.74 × 5,141.53
  4. Step 4: Simplify right side
    17,620.57x = 135,899,518.08
  5. Step 5: Solve for x
    x = 135,899,518.08/17,620.57
  6. Step 6: Final answer
    x = 7,712.55

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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.