Home / 10,233.52-14,127.96-8,211.76

Finding the Fourth Proportional to 10,233.52, 14,127.96 and 8,211.76

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Solution

The fourth proportional to 10,233.52, 14,127.96 and 8,211.76 is: 11,336.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,233.52 : 14,127.96 = 8,211.76 : x
  2. Step 2: Convert to fraction form
    10,233.52/14,127.96 = 8,211.76/x
  3. Step 3: Cross multiply
    10,233.52x = 14,127.96 × 8,211.76
  4. Step 4: Simplify right side
    10,233.52x = 116,015,416.81
  5. Step 5: Solve for x
    x = 116,015,416.81/10,233.52
  6. Step 6: Final answer
    x = 11,336.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.