Home / 16,944.45-23,381.40-9,388.89

Finding the Fourth Proportional to 16,944.45, 23,381.40 and 9,388.89

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Solution

The fourth proportional to 16,944.45, 23,381.40 and 9,388.89 is: 12,955.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,944.45 : 23,381.40 = 9,388.89 : x
  2. Step 2: Convert to fraction form
    16,944.45/23,381.40 = 9,388.89/x
  3. Step 3: Cross multiply
    16,944.45x = 23,381.40 × 9,388.89
  4. Step 4: Simplify right side
    16,944.45x = 219,525,392.65
  5. Step 5: Solve for x
    x = 219,525,392.65/16,944.45
  6. Step 6: Final answer
    x = 12,955.59

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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.