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Finding the Fourth Proportional to 18,592.61, 27,865.23 and 8,710.11

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Solution

The fourth proportional to 18,592.61, 27,865.23 and 8,710.11 is: 13,054.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,592.61 : 27,865.23 = 8,710.11 : x
  2. Step 2: Convert to fraction form
    18,592.61/27,865.23 = 8,710.11/x
  3. Step 3: Cross multiply
    18,592.61x = 27,865.23 × 8,710.11
  4. Step 4: Simplify right side
    18,592.61x = 242,709,119.69
  5. Step 5: Solve for x
    x = 242,709,119.69/18,592.61
  6. Step 6: Final answer
    x = 13,054.06

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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.