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Finding the Fourth Proportional to 8,173.53, 12,235.53 and 7,393.87

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Solution

The fourth proportional to 8,173.53, 12,235.53 and 7,393.87 is: 11,068.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,173.53 : 12,235.53 = 7,393.87 : x
  2. Step 2: Convert to fraction form
    8,173.53/12,235.53 = 7,393.87/x
  3. Step 3: Cross multiply
    8,173.53x = 12,235.53 × 7,393.87
  4. Step 4: Simplify right side
    8,173.53x = 90,467,887.61
  5. Step 5: Solve for x
    x = 90,467,887.61/8,173.53
  6. Step 6: Final answer
    x = 11,068.40

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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.