Home / 9,919.04-14,869.44-4,920.32

Finding the Fourth Proportional to 9,919.04, 14,869.44 and 4,920.32

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Solution

The fourth proportional to 9,919.04, 14,869.44 and 4,920.32 is: 7,375.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,919.04 : 14,869.44 = 4,920.32 : x
  2. Step 2: Convert to fraction form
    9,919.04/14,869.44 = 4,920.32/x
  3. Step 3: Cross multiply
    9,919.04x = 14,869.44 × 4,920.32
  4. Step 4: Simplify right side
    9,919.04x = 73,162,403.02
  5. Step 5: Solve for x
    x = 73,162,403.02/9,919.04
  6. Step 6: Final answer
    x = 7,375.96

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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.