Home / 16,943.60-25,406.16-5,095.64

Finding the Fourth Proportional to 16,943.60, 25,406.16 and 5,095.64

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Solution

The fourth proportional to 16,943.60, 25,406.16 and 5,095.64 is: 7,640.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,943.60 : 25,406.16 = 5,095.64 : x
  2. Step 2: Convert to fraction form
    16,943.60/25,406.16 = 5,095.64/x
  3. Step 3: Cross multiply
    16,943.60x = 25,406.16 × 5,095.64
  4. Step 4: Simplify right side
    16,943.60x = 129,460,645.14
  5. Step 5: Solve for x
    x = 129,460,645.14/16,943.60
  6. Step 6: Final answer
    x = 7,640.68

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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.