Home / 16,920.18-25,379.91-4,608.18

Finding the Fourth Proportional to 16,920.18, 25,379.91 and 4,608.18

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Solution

The fourth proportional to 16,920.18, 25,379.91 and 4,608.18 is: 6,912.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,920.18 : 25,379.91 = 4,608.18 : x
  2. Step 2: Convert to fraction form
    16,920.18/25,379.91 = 4,608.18/x
  3. Step 3: Cross multiply
    16,920.18x = 25,379.91 × 4,608.18
  4. Step 4: Simplify right side
    16,920.18x = 116,955,193.66
  5. Step 5: Solve for x
    x = 116,955,193.66/16,920.18
  6. Step 6: Final answer
    x = 6,912.17

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1.5x scale

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.