Home / 19,071.92-26,318.90-11,005.52

Finding the Fourth Proportional to 19,071.92, 26,318.90 and 11,005.52

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Solution

The fourth proportional to 19,071.92, 26,318.90 and 11,005.52 is: 15,187.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,071.92 : 26,318.90 = 11,005.52 : x
  2. Step 2: Convert to fraction form
    19,071.92/26,318.90 = 11,005.52/x
  3. Step 3: Cross multiply
    19,071.92x = 26,318.90 × 11,005.52
  4. Step 4: Simplify right side
    19,071.92x = 289,653,180.33
  5. Step 5: Solve for x
    x = 289,653,180.33/19,071.92
  6. Step 6: Final answer
    x = 15,187.42

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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.