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Finding the Fourth Proportional to 9,339.96, 14,009.94 and 8,872.80

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Solution

The fourth proportional to 9,339.96, 14,009.94 and 8,872.80 is: 13,309.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,339.96 : 14,009.94 = 8,872.80 : x
  2. Step 2: Convert to fraction form
    9,339.96/14,009.94 = 8,872.80/x
  3. Step 3: Cross multiply
    9,339.96x = 14,009.94 × 8,872.80
  4. Step 4: Simplify right side
    9,339.96x = 124,307,395.63
  5. Step 5: Solve for x
    x = 124,307,395.63/9,339.96
  6. Step 6: Final answer
    x = 13,309.20

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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.