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Finding the Fourth Proportional to 11,045.88, 15,243.14 and 6,009.98

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Solution

The fourth proportional to 11,045.88, 15,243.14 and 6,009.98 is: 8,293.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,045.88 : 15,243.14 = 6,009.98 : x
  2. Step 2: Convert to fraction form
    11,045.88/15,243.14 = 6,009.98/x
  3. Step 3: Cross multiply
    11,045.88x = 15,243.14 × 6,009.98
  4. Step 4: Simplify right side
    11,045.88x = 91,610,966.54
  5. Step 5: Solve for x
    x = 91,610,966.54/11,045.88
  6. Step 6: Final answer
    x = 8,293.68

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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.