Home / 19,267.11-26,589.62-11,712.21

Finding the Fourth Proportional to 19,267.11, 26,589.62 and 11,712.21

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Solution

The fourth proportional to 19,267.11, 26,589.62 and 11,712.21 is: 16,163.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,267.11 : 26,589.62 = 11,712.21 : x
  2. Step 2: Convert to fraction form
    19,267.11/26,589.62 = 11,712.21/x
  3. Step 3: Cross multiply
    19,267.11x = 26,589.62 × 11,712.21
  4. Step 4: Simplify right side
    19,267.11x = 311,423,142.83
  5. Step 5: Solve for x
    x = 311,423,142.83/19,267.11
  6. Step 6: Final answer
    x = 16,163.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.