Home / 11,248.91-16,880.90-4,675.08

Finding the Fourth Proportional to 11,248.91, 16,880.90 and 4,675.08

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Solution

The fourth proportional to 11,248.91, 16,880.90 and 4,675.08 is: 7,015.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,248.91 : 16,880.90 = 4,675.08 : x
  2. Step 2: Convert to fraction form
    11,248.91/16,880.90 = 4,675.08/x
  3. Step 3: Cross multiply
    11,248.91x = 16,880.90 × 4,675.08
  4. Step 4: Simplify right side
    11,248.91x = 78,919,534.60
  5. Step 5: Solve for x
    x = 78,919,534.60/11,248.91
  6. Step 6: Final answer
    x = 7,015.75

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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.