Home / 16,930.48-25,405.16-6,407.50

Finding the Fourth Proportional to 16,930.48, 25,405.16 and 6,407.50

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Solution

The fourth proportional to 16,930.48, 25,405.16 and 6,407.50 is: 9,614.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,930.48 : 25,405.16 = 6,407.50 : x
  2. Step 2: Convert to fraction form
    16,930.48/25,405.16 = 6,407.50/x
  3. Step 3: Cross multiply
    16,930.48x = 25,405.16 × 6,407.50
  4. Step 4: Simplify right side
    16,930.48x = 162,783,562.70
  5. Step 5: Solve for x
    x = 162,783,562.70/16,930.48
  6. Step 6: Final answer
    x = 9,614.82

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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.