Home / 10,268.60-15,410.10-4,429.40

Finding the Fourth Proportional to 10,268.60, 15,410.10 and 4,429.40

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Solution

The fourth proportional to 10,268.60, 15,410.10 and 4,429.40 is: 6,647.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,268.60 : 15,410.10 = 4,429.40 : x
  2. Step 2: Convert to fraction form
    10,268.60/15,410.10 = 4,429.40/x
  3. Step 3: Cross multiply
    10,268.60x = 15,410.10 × 4,429.40
  4. Step 4: Simplify right side
    10,268.60x = 68,257,496.94
  5. Step 5: Solve for x
    x = 68,257,496.94/10,268.60
  6. Step 6: Final answer
    x = 6,647.21

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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.