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Finding the Fourth Proportional to 8,253.24, 12,369.06 and 7,153.08

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Solution

The fourth proportional to 8,253.24, 12,369.06 and 7,153.08 is: 10,720.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,253.24 : 12,369.06 = 7,153.08 : x
  2. Step 2: Convert to fraction form
    8,253.24/12,369.06 = 7,153.08/x
  3. Step 3: Cross multiply
    8,253.24x = 12,369.06 × 7,153.08
  4. Step 4: Simplify right side
    8,253.24x = 88,476,875.70
  5. Step 5: Solve for x
    x = 88,476,875.70/8,253.24
  6. Step 6: Final answer
    x = 10,720.26

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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.