Home / 15,873.03-21,904.97-8,799.57

Finding the Fourth Proportional to 15,873.03, 21,904.97 and 8,799.57

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Solution

The fourth proportional to 15,873.03, 21,904.97 and 8,799.57 is: 12,143.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,873.03 : 21,904.97 = 8,799.57 : x
  2. Step 2: Convert to fraction form
    15,873.03/21,904.97 = 8,799.57/x
  3. Step 3: Cross multiply
    15,873.03x = 21,904.97 × 8,799.57
  4. Step 4: Simplify right side
    15,873.03x = 192,754,272.87
  5. Step 5: Solve for x
    x = 192,754,272.87/15,873.03
  6. Step 6: Final answer
    x = 12,143.51

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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.