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Finding the Fourth Proportional to 8,437.14, 12,660.03 and 6,147.54

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Solution

The fourth proportional to 8,437.14, 12,660.03 and 6,147.54 is: 9,224.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,437.14 : 12,660.03 = 6,147.54 : x
  2. Step 2: Convert to fraction form
    8,437.14/12,660.03 = 6,147.54/x
  3. Step 3: Cross multiply
    8,437.14x = 12,660.03 × 6,147.54
  4. Step 4: Simplify right side
    8,437.14x = 77,828,040.83
  5. Step 5: Solve for x
    x = 77,828,040.83/8,437.14
  6. Step 6: Final answer
    x = 9,224.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.