Home / 22,644.96-31,237.84-13,695.36

Finding the Fourth Proportional to 22,644.96, 31,237.84 and 13,695.36

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Solution

The fourth proportional to 22,644.96, 31,237.84 and 13,695.36 is: 18,892.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,644.96 : 31,237.84 = 13,695.36 : x
  2. Step 2: Convert to fraction form
    22,644.96/31,237.84 = 13,695.36/x
  3. Step 3: Cross multiply
    22,644.96x = 31,237.84 × 13,695.36
  4. Step 4: Simplify right side
    22,644.96x = 427,813,464.42
  5. Step 5: Solve for x
    x = 427,813,464.42/22,644.96
  6. Step 6: Final answer
    x = 18,892.22

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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.