Home / 16,115.36-22,240.17-10,728.50

Finding the Fourth Proportional to 16,115.36, 22,240.17 and 10,728.50

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Solution

The fourth proportional to 16,115.36, 22,240.17 and 10,728.50 is: 14,805.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,115.36 : 22,240.17 = 10,728.50 : x
  2. Step 2: Convert to fraction form
    16,115.36/22,240.17 = 10,728.50/x
  3. Step 3: Cross multiply
    16,115.36x = 22,240.17 × 10,728.50
  4. Step 4: Simplify right side
    16,115.36x = 238,603,552.64
  5. Step 5: Solve for x
    x = 238,603,552.64/16,115.36
  6. Step 6: Final answer
    x = 14,805.98

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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.