Home / 16,918.18-25,376.52-4,437.92

Finding the Fourth Proportional to 16,918.18, 25,376.52 and 4,437.92

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Solution

The fourth proportional to 16,918.18, 25,376.52 and 4,437.92 is: 6,656.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,918.18 : 25,376.52 = 4,437.92 : x
  2. Step 2: Convert to fraction form
    16,918.18/25,376.52 = 4,437.92/x
  3. Step 3: Cross multiply
    16,918.18x = 25,376.52 × 4,437.92
  4. Step 4: Simplify right side
    16,918.18x = 112,618,965.64
  5. Step 5: Solve for x
    x = 112,618,965.64/16,918.18
  6. Step 6: Final answer
    x = 6,656.68

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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.