Home / 10,689.36-16,025.39-4,454.06

Finding the Fourth Proportional to 10,689.36, 16,025.39 and 4,454.06

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Solution

The fourth proportional to 10,689.36, 16,025.39 and 4,454.06 is: 6,677.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,689.36 : 16,025.39 = 4,454.06 : x
  2. Step 2: Convert to fraction form
    10,689.36/16,025.39 = 4,454.06/x
  3. Step 3: Cross multiply
    10,689.36x = 16,025.39 × 4,454.06
  4. Step 4: Simplify right side
    10,689.36x = 71,377,946.19
  5. Step 5: Solve for x
    x = 71,377,946.19/10,689.36
  6. Step 6: Final answer
    x = 6,677.48

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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.