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Finding the Fourth Proportional to 9,663.76, 13,340.52 and 6,833.52

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Solution

The fourth proportional to 9,663.76, 13,340.52 and 6,833.52 is: 9,433.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,663.76 : 13,340.52 = 6,833.52 : x
  2. Step 2: Convert to fraction form
    9,663.76/13,340.52 = 6,833.52/x
  3. Step 3: Cross multiply
    9,663.76x = 13,340.52 × 6,833.52
  4. Step 4: Simplify right side
    9,663.76x = 91,162,710.23
  5. Step 5: Solve for x
    x = 91,162,710.23/9,663.76
  6. Step 6: Final answer
    x = 9,433.46

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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.