Home / 10,221.21-15,337.72-4,297.62

Finding the Fourth Proportional to 10,221.21, 15,337.72 and 4,297.62

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Solution

The fourth proportional to 10,221.21, 15,337.72 and 4,297.62 is: 6,448.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,221.21 : 15,337.72 = 4,297.62 : x
  2. Step 2: Convert to fraction form
    10,221.21/15,337.72 = 4,297.62/x
  3. Step 3: Cross multiply
    10,221.21x = 15,337.72 × 4,297.62
  4. Step 4: Simplify right side
    10,221.21x = 65,915,755.11
  5. Step 5: Solve for x
    x = 65,915,755.11/10,221.21
  6. Step 6: Final answer
    x = 6,448.92

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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.