Home / 15,553.05-23,310.14-12,253.11

Finding the Fourth Proportional to 15,553.05, 23,310.14 and 12,253.11

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Solution

The fourth proportional to 15,553.05, 23,310.14 and 12,253.11 is: 18,364.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,553.05 : 23,310.14 = 12,253.11 : x
  2. Step 2: Convert to fraction form
    15,553.05/23,310.14 = 12,253.11/x
  3. Step 3: Cross multiply
    15,553.05x = 23,310.14 × 12,253.11
  4. Step 4: Simplify right side
    15,553.05x = 285,621,648.27
  5. Step 5: Solve for x
    x = 285,621,648.27/15,553.05
  6. Step 6: Final answer
    x = 18,364.35

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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.