Home / 11,314.95-16,972.16-4,389.45

Finding the Fourth Proportional to 11,314.95, 16,972.16 and 4,389.45

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Solution

The fourth proportional to 11,314.95, 16,972.16 and 4,389.45 is: 6,584.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,314.95 : 16,972.16 = 4,389.45 : x
  2. Step 2: Convert to fraction form
    11,314.95/16,972.16 = 4,389.45/x
  3. Step 3: Cross multiply
    11,314.95x = 16,972.16 × 4,389.45
  4. Step 4: Simplify right side
    11,314.95x = 74,498,425.76
  5. Step 5: Solve for x
    x = 74,498,425.76/11,314.95
  6. Step 6: Final answer
    x = 6,584.07

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.