Home / 16,935.86-25,389.95-6,399.90

Finding the Fourth Proportional to 16,935.86, 25,389.95 and 6,399.90

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Solution

The fourth proportional to 16,935.86, 25,389.95 and 6,399.90 is: 9,594.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,935.86 : 25,389.95 = 6,399.90 : x
  2. Step 2: Convert to fraction form
    16,935.86/25,389.95 = 6,399.90/x
  3. Step 3: Cross multiply
    16,935.86x = 25,389.95 × 6,399.90
  4. Step 4: Simplify right side
    16,935.86x = 162,493,109.01
  5. Step 5: Solve for x
    x = 162,493,109.01/16,935.86
  6. Step 6: Final answer
    x = 9,594.62

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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.