Home / 19,019.28-26,246.62-10,405.57

Finding the Fourth Proportional to 19,019.28, 26,246.62 and 10,405.57

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Solution

The fourth proportional to 19,019.28, 26,246.62 and 10,405.57 is: 14,359.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,019.28 : 26,246.62 = 10,405.57 : x
  2. Step 2: Convert to fraction form
    19,019.28/26,246.62 = 10,405.57/x
  3. Step 3: Cross multiply
    19,019.28x = 26,246.62 × 10,405.57
  4. Step 4: Simplify right side
    19,019.28x = 273,110,910.44
  5. Step 5: Solve for x
    x = 273,110,910.44/19,019.28
  6. Step 6: Final answer
    x = 14,359.69

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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.