Home / 10,211.43-15,214.44-9,540.75

Finding the Fourth Proportional to 10,211.43, 15,214.44 and 9,540.75

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Solution

The fourth proportional to 10,211.43, 15,214.44 and 9,540.75 is: 14,215.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,211.43 : 15,214.44 = 9,540.75 : x
  2. Step 2: Convert to fraction form
    10,211.43/15,214.44 = 9,540.75/x
  3. Step 3: Cross multiply
    10,211.43x = 15,214.44 × 9,540.75
  4. Step 4: Simplify right side
    10,211.43x = 145,157,168.43
  5. Step 5: Solve for x
    x = 145,157,168.43/10,211.43
  6. Step 6: Final answer
    x = 14,215.17

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.