Home / 22,950.28-31,670.26-13,012.36

Finding the Fourth Proportional to 22,950.28, 31,670.26 and 13,012.36

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Solution

The fourth proportional to 22,950.28, 31,670.26 and 13,012.36 is: 17,956.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,950.28 : 31,670.26 = 13,012.36 : x
  2. Step 2: Convert to fraction form
    22,950.28/31,670.26 = 13,012.36/x
  3. Step 3: Cross multiply
    22,950.28x = 31,670.26 × 13,012.36
  4. Step 4: Simplify right side
    22,950.28x = 412,104,824.41
  5. Step 5: Solve for x
    x = 412,104,824.41/22,950.28
  6. Step 6: Final answer
    x = 17,956.42

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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.