Home / 19,001.52-26,205.12-11,928.60

Finding the Fourth Proportional to 19,001.52, 26,205.12 and 11,928.60

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Solution

The fourth proportional to 19,001.52, 26,205.12 and 11,928.60 is: 16,450.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,001.52 : 26,205.12 = 11,928.60 : x
  2. Step 2: Convert to fraction form
    19,001.52/26,205.12 = 11,928.60/x
  3. Step 3: Cross multiply
    19,001.52x = 26,205.12 × 11,928.60
  4. Step 4: Simplify right side
    19,001.52x = 312,590,394.43
  5. Step 5: Solve for x
    x = 312,590,394.43/19,001.52
  6. Step 6: Final answer
    x = 16,450.81

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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.