Home / 19,120.23-26,388.99-11,162.43

Finding the Fourth Proportional to 19,120.23, 26,388.99 and 11,162.43

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Solution

The fourth proportional to 19,120.23, 26,388.99 and 11,162.43 is: 15,405.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,120.23 : 26,388.99 = 11,162.43 : x
  2. Step 2: Convert to fraction form
    19,120.23/26,388.99 = 11,162.43/x
  3. Step 3: Cross multiply
    19,120.23x = 26,388.99 × 11,162.43
  4. Step 4: Simplify right side
    19,120.23x = 294,565,253.65
  5. Step 5: Solve for x
    x = 294,565,253.65/19,120.23
  6. Step 6: Final answer
    x = 15,405.95

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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.