Home / 11,583.31-15,984.97-6,278.13

Finding the Fourth Proportional to 11,583.31, 15,984.97 and 6,278.13

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Solution

The fourth proportional to 11,583.31, 15,984.97 and 6,278.13 is: 8,663.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,583.31 : 15,984.97 = 6,278.13 : x
  2. Step 2: Convert to fraction form
    11,583.31/15,984.97 = 6,278.13/x
  3. Step 3: Cross multiply
    11,583.31x = 15,984.97 × 6,278.13
  4. Step 4: Simplify right side
    11,583.31x = 100,355,719.71
  5. Step 5: Solve for x
    x = 100,355,719.71/11,583.31
  6. Step 6: Final answer
    x = 8,663.82

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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.