Home / 16,228.55-22,389.39-11,989.82

Finding the Fourth Proportional to 16,228.55, 22,389.39 and 11,989.82

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Solution

The fourth proportional to 16,228.55, 22,389.39 and 11,989.82 is: 16,541.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,228.55 : 22,389.39 = 11,989.82 : x
  2. Step 2: Convert to fraction form
    16,228.55/22,389.39 = 11,989.82/x
  3. Step 3: Cross multiply
    16,228.55x = 22,389.39 × 11,989.82
  4. Step 4: Simplify right side
    16,228.55x = 268,444,644.06
  5. Step 5: Solve for x
    x = 268,444,644.06/16,228.55
  6. Step 6: Final answer
    x = 16,541.51

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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.