Home / 13,575.78-20,363.94-6,175.08

Finding the Fourth Proportional to 13,575.78, 20,363.94 and 6,175.08

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Solution

The fourth proportional to 13,575.78, 20,363.94 and 6,175.08 is: 9,262.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,575.78 : 20,363.94 = 6,175.08 : x
  2. Step 2: Convert to fraction form
    13,575.78/20,363.94 = 6,175.08/x
  3. Step 3: Cross multiply
    13,575.78x = 20,363.94 × 6,175.08
  4. Step 4: Simplify right side
    13,575.78x = 125,748,958.62
  5. Step 5: Solve for x
    x = 125,748,958.62/13,575.78
  6. Step 6: Final answer
    x = 9,262.74

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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.