Home / 16,211.93-22,381.27-11,203.11

Finding the Fourth Proportional to 16,211.93, 22,381.27 and 11,203.11

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Solution

The fourth proportional to 16,211.93, 22,381.27 and 11,203.11 is: 15,466.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,211.93 : 22,381.27 = 11,203.11 : x
  2. Step 2: Convert to fraction form
    16,211.93/22,381.27 = 11,203.11/x
  3. Step 3: Cross multiply
    16,211.93x = 22,381.27 × 11,203.11
  4. Step 4: Simplify right side
    16,211.93x = 250,739,801.74
  5. Step 5: Solve for x
    x = 250,739,801.74/16,211.93
  6. Step 6: Final answer
    x = 15,466.38

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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.