Home / 11,384.31-15,708.96-6,348.81

Finding the Fourth Proportional to 11,384.31, 15,708.96 and 6,348.81

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Solution

The fourth proportional to 11,384.31, 15,708.96 and 6,348.81 is: 8,760.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,384.31 : 15,708.96 = 6,348.81 : x
  2. Step 2: Convert to fraction form
    11,384.31/15,708.96 = 6,348.81/x
  3. Step 3: Cross multiply
    11,384.31x = 15,708.96 × 6,348.81
  4. Step 4: Simplify right side
    11,384.31x = 99,733,202.34
  5. Step 5: Solve for x
    x = 99,733,202.34/11,384.31
  6. Step 6: Final answer
    x = 8,760.58

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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.