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Finding the Fourth Proportional to 8,686.66, 13,029.48 and 6,046.48

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Solution

The fourth proportional to 8,686.66, 13,029.48 and 6,046.48 is: 9,069.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,686.66 : 13,029.48 = 6,046.48 : x
  2. Step 2: Convert to fraction form
    8,686.66/13,029.48 = 6,046.48/x
  3. Step 3: Cross multiply
    8,686.66x = 13,029.48 × 6,046.48
  4. Step 4: Simplify right side
    8,686.66x = 78,782,490.23
  5. Step 5: Solve for x
    x = 78,782,490.23/8,686.66
  6. Step 6: Final answer
    x = 9,069.37

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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.