Home / 15,799.05-21,804.12-8,727.75

Finding the Fourth Proportional to 15,799.05, 21,804.12 and 8,727.75

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Solution

The fourth proportional to 15,799.05, 21,804.12 and 8,727.75 is: 12,045.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,799.05 : 21,804.12 = 8,727.75 : x
  2. Step 2: Convert to fraction form
    15,799.05/21,804.12 = 8,727.75/x
  3. Step 3: Cross multiply
    15,799.05x = 21,804.12 × 8,727.75
  4. Step 4: Simplify right side
    15,799.05x = 190,300,908.33
  5. Step 5: Solve for x
    x = 190,300,908.33/15,799.05
  6. Step 6: Final answer
    x = 12,045.09

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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.