Home / 10,272.62-15,415.05-4,429.10

Finding the Fourth Proportional to 10,272.62, 15,415.05 and 4,429.10

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Solution

The fourth proportional to 10,272.62, 15,415.05 and 4,429.10 is: 6,646.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,272.62 : 15,415.05 = 4,429.10 : x
  2. Step 2: Convert to fraction form
    10,272.62/15,415.05 = 4,429.10/x
  3. Step 3: Cross multiply
    10,272.62x = 15,415.05 × 4,429.10
  4. Step 4: Simplify right side
    10,272.62x = 68,274,797.96
  5. Step 5: Solve for x
    x = 68,274,797.96/10,272.62
  6. Step 6: Final answer
    x = 6,646.29

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1.5x scale

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.