Home / 16,115.32-22,240.74-10,821.16

Finding the Fourth Proportional to 16,115.32, 22,240.74 and 10,821.16

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Solution

The fourth proportional to 16,115.32, 22,240.74 and 10,821.16 is: 14,934.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,115.32 : 22,240.74 = 10,821.16 : x
  2. Step 2: Convert to fraction form
    16,115.32/22,240.74 = 10,821.16/x
  3. Step 3: Cross multiply
    16,115.32x = 22,240.74 × 10,821.16
  4. Step 4: Simplify right side
    16,115.32x = 240,670,606.06
  5. Step 5: Solve for x
    x = 240,670,606.06/16,115.32
  6. Step 6: Final answer
    x = 14,934.27

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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.