Home / 15,727.15-21,692.13-9,010.33

Finding the Fourth Proportional to 15,727.15, 21,692.13 and 9,010.33

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Solution

The fourth proportional to 15,727.15, 21,692.13 and 9,010.33 is: 12,427.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,727.15 : 21,692.13 = 9,010.33 : x
  2. Step 2: Convert to fraction form
    15,727.15/21,692.13 = 9,010.33/x
  3. Step 3: Cross multiply
    15,727.15x = 21,692.13 × 9,010.33
  4. Step 4: Simplify right side
    15,727.15x = 195,453,249.70
  5. Step 5: Solve for x
    x = 195,453,249.70/15,727.15
  6. Step 6: Final answer
    x = 12,427.76

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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.