Home / 22,219.44-33,341.46-13,312.88

Finding the Fourth Proportional to 22,219.44, 33,341.46 and 13,312.88

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Solution

The fourth proportional to 22,219.44, 33,341.46 and 13,312.88 is: 19,976.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,219.44 : 33,341.46 = 13,312.88 : x
  2. Step 2: Convert to fraction form
    22,219.44/33,341.46 = 13,312.88/x
  3. Step 3: Cross multiply
    22,219.44x = 33,341.46 × 13,312.88
  4. Step 4: Simplify right side
    22,219.44x = 443,870,939.36
  5. Step 5: Solve for x
    x = 443,870,939.36/22,219.44
  6. Step 6: Final answer
    x = 19,976.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.