Home / 22,239.36-33,359.04-13,476.78

Finding the Fourth Proportional to 22,239.36, 33,359.04 and 13,476.78

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Solution

The fourth proportional to 22,239.36, 33,359.04 and 13,476.78 is: 20,215.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,239.36 : 33,359.04 = 13,476.78 : x
  2. Step 2: Convert to fraction form
    22,239.36/33,359.04 = 13,476.78/x
  3. Step 3: Cross multiply
    22,239.36x = 33,359.04 × 13,476.78
  4. Step 4: Simplify right side
    22,239.36x = 449,572,443.09
  5. Step 5: Solve for x
    x = 449,572,443.09/22,239.36
  6. Step 6: Final answer
    x = 20,215.17

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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.