Home / 22,614.32-31,208.82-14,121.47

Finding the Fourth Proportional to 22,614.32, 31,208.82 and 14,121.47

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Solution

The fourth proportional to 22,614.32, 31,208.82 and 14,121.47 is: 19,488.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,614.32 : 31,208.82 = 14,121.47 : x
  2. Step 2: Convert to fraction form
    22,614.32/31,208.82 = 14,121.47/x
  3. Step 3: Cross multiply
    22,614.32x = 31,208.82 × 14,121.47
  4. Step 4: Simplify right side
    22,614.32x = 440,714,415.37
  5. Step 5: Solve for x
    x = 440,714,415.37/22,614.32
  6. Step 6: Final answer
    x = 19,488.29

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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.