Home / 22,687.14-31,308.93-13,736.28

Finding the Fourth Proportional to 22,687.14, 31,308.93 and 13,736.28

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Solution

The fourth proportional to 22,687.14, 31,308.93 and 13,736.28 is: 18,956.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,687.14 : 31,308.93 = 13,736.28 : x
  2. Step 2: Convert to fraction form
    22,687.14/31,308.93 = 13,736.28/x
  3. Step 3: Cross multiply
    22,687.14x = 31,308.93 × 13,736.28
  4. Step 4: Simplify right side
    22,687.14x = 430,068,228.98
  5. Step 5: Solve for x
    x = 430,068,228.98/22,687.14
  6. Step 6: Final answer
    x = 18,956.48

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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.