Home / 14,399.44-19,878.60-9,099.76

Finding the Fourth Proportional to 14,399.44, 19,878.60 and 9,099.76

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Solution

The fourth proportional to 14,399.44, 19,878.60 and 9,099.76 is: 12,562.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,399.44 : 19,878.60 = 9,099.76 : x
  2. Step 2: Convert to fraction form
    14,399.44/19,878.60 = 9,099.76/x
  3. Step 3: Cross multiply
    14,399.44x = 19,878.60 × 9,099.76
  4. Step 4: Simplify right side
    14,399.44x = 180,890,489.14
  5. Step 5: Solve for x
    x = 180,890,489.14/14,399.44
  6. Step 6: Final answer
    x = 12,562.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.