Home / 9,919.90-14,867.70-4,367.35

Finding the Fourth Proportional to 9,919.90, 14,867.70 and 4,367.35

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Solution

The fourth proportional to 9,919.90, 14,867.70 and 4,367.35 is: 6,545.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,919.90 : 14,867.70 = 4,367.35 : x
  2. Step 2: Convert to fraction form
    9,919.90/14,867.70 = 4,367.35/x
  3. Step 3: Cross multiply
    9,919.90x = 14,867.70 × 4,367.35
  4. Step 4: Simplify right side
    9,919.90x = 64,932,449.60
  5. Step 5: Solve for x
    x = 64,932,449.60/9,919.90
  6. Step 6: Final answer
    x = 6,545.68

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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.