Home / 11,330.66-15,635.78-6,295.20

Finding the Fourth Proportional to 11,330.66, 15,635.78 and 6,295.20

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Solution

The fourth proportional to 11,330.66, 15,635.78 and 6,295.20 is: 8,687.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,330.66 : 15,635.78 = 6,295.20 : x
  2. Step 2: Convert to fraction form
    11,330.66/15,635.78 = 6,295.20/x
  3. Step 3: Cross multiply
    11,330.66x = 15,635.78 × 6,295.20
  4. Step 4: Simplify right side
    11,330.66x = 98,430,362.26
  5. Step 5: Solve for x
    x = 98,430,362.26/11,330.66
  6. Step 6: Final answer
    x = 8,687.08

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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.