Home / 19,019.11-26,244.36-10,519.88

Finding the Fourth Proportional to 19,019.11, 26,244.36 and 10,519.88

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Solution

The fourth proportional to 19,019.11, 26,244.36 and 10,519.88 is: 14,516.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,019.11 : 26,244.36 = 10,519.88 : x
  2. Step 2: Convert to fraction form
    19,019.11/26,244.36 = 10,519.88/x
  3. Step 3: Cross multiply
    19,019.11x = 26,244.36 × 10,519.88
  4. Step 4: Simplify right side
    19,019.11x = 276,087,517.88
  5. Step 5: Solve for x
    x = 276,087,517.88/19,019.11
  6. Step 6: Final answer
    x = 14,516.32

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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.