Home / 19,281.78-26,609.94-11,326.32

Finding the Fourth Proportional to 19,281.78, 26,609.94 and 11,326.32

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Solution

The fourth proportional to 19,281.78, 26,609.94 and 11,326.32 is: 15,630.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,281.78 : 26,609.94 = 11,326.32 : x
  2. Step 2: Convert to fraction form
    19,281.78/26,609.94 = 11,326.32/x
  3. Step 3: Cross multiply
    19,281.78x = 26,609.94 × 11,326.32
  4. Step 4: Simplify right side
    19,281.78x = 301,392,695.62
  5. Step 5: Solve for x
    x = 301,392,695.62/19,281.78
  6. Step 6: Final answer
    x = 15,630.96

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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.