Home / 11,923.19-16,454-6,618.50

Finding the Fourth Proportional to 11,923.19, 16,454 and 6,618.50

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Solution

The fourth proportional to 11,923.19, 16,454 and 6,618.50 is: 9,133.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,923.19 : 16,454 = 6,618.50 : x
  2. Step 2: Convert to fraction form
    11,923.19/16,454 = 6,618.50/x
  3. Step 3: Cross multiply
    11,923.19x = 16,454 × 6,618.50
  4. Step 4: Simplify right side
    11,923.19x = 108,900,799
  5. Step 5: Solve for x
    x = 108,900,799/11,923.19
  6. Step 6: Final answer
    x = 9,133.53

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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.