Home / 10,069.97-15,109.23-5,388.77

Finding the Fourth Proportional to 10,069.97, 15,109.23 and 5,388.77

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Solution

The fourth proportional to 10,069.97, 15,109.23 and 5,388.77 is: 8,085.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,069.97 : 15,109.23 = 5,388.77 : x
  2. Step 2: Convert to fraction form
    10,069.97/15,109.23 = 5,388.77/x
  3. Step 3: Cross multiply
    10,069.97x = 15,109.23 × 5,388.77
  4. Step 4: Simplify right side
    10,069.97x = 81,420,165.35
  5. Step 5: Solve for x
    x = 81,420,165.35/10,069.97
  6. Step 6: Final answer
    x = 8,085.44

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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.