Home / 16,218.98-22,362.31-13,337.64

Finding the Fourth Proportional to 16,218.98, 22,362.31 and 13,337.64

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Solution

The fourth proportional to 16,218.98, 22,362.31 and 13,337.64 is: 18,389.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,218.98 : 22,362.31 = 13,337.64 : x
  2. Step 2: Convert to fraction form
    16,218.98/22,362.31 = 13,337.64/x
  3. Step 3: Cross multiply
    16,218.98x = 22,362.31 × 13,337.64
  4. Step 4: Simplify right side
    16,218.98x = 298,260,440.35
  5. Step 5: Solve for x
    x = 298,260,440.35/16,218.98
  6. Step 6: Final answer
    x = 18,389.59

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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.