Home / 16,341.44-22,581.84-13,356.20

Finding the Fourth Proportional to 16,341.44, 22,581.84 and 13,356.20

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Solution

The fourth proportional to 16,341.44, 22,581.84 and 13,356.20 is: 18,456.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,341.44 : 22,581.84 = 13,356.20 : x
  2. Step 2: Convert to fraction form
    16,341.44/22,581.84 = 13,356.20/x
  3. Step 3: Cross multiply
    16,341.44x = 22,581.84 × 13,356.20
  4. Step 4: Simplify right side
    16,341.44x = 301,607,571.41
  5. Step 5: Solve for x
    x = 301,607,571.41/16,341.44
  6. Step 6: Final answer
    x = 18,456.61

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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.