Home / 16,297.78-22,491.26-10,636.15

Finding the Fourth Proportional to 16,297.78, 22,491.26 and 10,636.15

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Solution

The fourth proportional to 16,297.78, 22,491.26 and 10,636.15 is: 14,678.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,297.78 : 22,491.26 = 10,636.15 : x
  2. Step 2: Convert to fraction form
    16,297.78/22,491.26 = 10,636.15/x
  3. Step 3: Cross multiply
    16,297.78x = 22,491.26 × 10,636.15
  4. Step 4: Simplify right side
    16,297.78x = 239,220,415.05
  5. Step 5: Solve for x
    x = 239,220,415.05/16,297.78
  6. Step 6: Final answer
    x = 14,678.10

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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.