Home / 13,249.34-18,285.11-7,585.87

Finding the Fourth Proportional to 13,249.34, 18,285.11 and 7,585.87

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Solution

The fourth proportional to 13,249.34, 18,285.11 and 7,585.87 is: 10,469.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,249.34 : 18,285.11 = 7,585.87 : x
  2. Step 2: Convert to fraction form
    13,249.34/18,285.11 = 7,585.87/x
  3. Step 3: Cross multiply
    13,249.34x = 18,285.11 × 7,585.87
  4. Step 4: Simplify right side
    13,249.34x = 138,708,338.04
  5. Step 5: Solve for x
    x = 138,708,338.04/13,249.34
  6. Step 6: Final answer
    x = 10,469.08

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.