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Finding the Fourth Proportional to 17,574.72, 26,368.16 and 10,993.07

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Solution

The fourth proportional to 17,574.72, 26,368.16 and 10,993.07 is: 16,493.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,574.72 : 26,368.16 = 10,993.07 : x
  2. Step 2: Convert to fraction form
    17,574.72/26,368.16 = 10,993.07/x
  3. Step 3: Cross multiply
    17,574.72x = 26,368.16 × 10,993.07
  4. Step 4: Simplify right side
    17,574.72x = 289,867,028.65
  5. Step 5: Solve for x
    x = 289,867,028.65/17,574.72
  6. Step 6: Final answer
    x = 16,493.41

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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.