Home / 22,376.08-30,879.08-13,997.36

Finding the Fourth Proportional to 22,376.08, 30,879.08 and 13,997.36

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Solution

The fourth proportional to 22,376.08, 30,879.08 and 13,997.36 is: 19,316.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,376.08 : 30,879.08 = 13,997.36 : x
  2. Step 2: Convert to fraction form
    22,376.08/30,879.08 = 13,997.36/x
  3. Step 3: Cross multiply
    22,376.08x = 30,879.08 × 13,997.36
  4. Step 4: Simplify right side
    22,376.08x = 432,225,599.23
  5. Step 5: Solve for x
    x = 432,225,599.23/22,376.08
  6. Step 6: Final answer
    x = 19,316.41

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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.