Home / 19,100.07-28,645.79-7,251.39

Finding the Fourth Proportional to 19,100.07, 28,645.79 and 7,251.39

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Solution

The fourth proportional to 19,100.07, 28,645.79 and 7,251.39 is: 10,875.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,100.07 : 28,645.79 = 7,251.39 : x
  2. Step 2: Convert to fraction form
    19,100.07/28,645.79 = 7,251.39/x
  3. Step 3: Cross multiply
    19,100.07x = 28,645.79 × 7,251.39
  4. Step 4: Simplify right side
    19,100.07x = 207,721,758.89
  5. Step 5: Solve for x
    x = 207,721,758.89/19,100.07
  6. Step 6: Final answer
    x = 10,875.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.