Home / 19,071.72-26,314.56-12,007.44

Finding the Fourth Proportional to 19,071.72, 26,314.56 and 12,007.44

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Solution

The fourth proportional to 19,071.72, 26,314.56 and 12,007.44 is: 16,567.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,071.72 : 26,314.56 = 12,007.44 : x
  2. Step 2: Convert to fraction form
    19,071.72/26,314.56 = 12,007.44/x
  3. Step 3: Cross multiply
    19,071.72x = 26,314.56 × 12,007.44
  4. Step 4: Simplify right side
    19,071.72x = 315,970,500.33
  5. Step 5: Solve for x
    x = 315,970,500.33/19,071.72
  6. Step 6: Final answer
    x = 16,567.49

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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.