Home / 22,662.37-31,278.54-14,480.74

Finding the Fourth Proportional to 22,662.37, 31,278.54 and 14,480.74

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Solution

The fourth proportional to 22,662.37, 31,278.54 and 14,480.74 is: 19,986.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,662.37 : 31,278.54 = 14,480.74 : x
  2. Step 2: Convert to fraction form
    22,662.37/31,278.54 = 14,480.74/x
  3. Step 3: Cross multiply
    22,662.37x = 31,278.54 × 14,480.74
  4. Step 4: Simplify right side
    22,662.37x = 452,936,405.32
  5. Step 5: Solve for x
    x = 452,936,405.32/22,662.37
  6. Step 6: Final answer
    x = 19,986.28

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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.