Home / 16,029.81-22,121.33-8,955.41

Finding the Fourth Proportional to 16,029.81, 22,121.33 and 8,955.41

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Solution

The fourth proportional to 16,029.81, 22,121.33 and 8,955.41 is: 12,358.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,029.81 : 22,121.33 = 8,955.41 : x
  2. Step 2: Convert to fraction form
    16,029.81/22,121.33 = 8,955.41/x
  3. Step 3: Cross multiply
    16,029.81x = 22,121.33 × 8,955.41
  4. Step 4: Simplify right side
    16,029.81x = 198,105,424.51
  5. Step 5: Solve for x
    x = 198,105,424.51/16,029.81
  6. Step 6: Final answer
    x = 12,358.56

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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.