Home / 13,452.62-18,526.05-13,408.88

Finding the Fourth Proportional to 13,452.62, 18,526.05 and 13,408.88

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Solution

The fourth proportional to 13,452.62, 18,526.05 and 13,408.88 is: 18,465.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,452.62 : 18,526.05 = 13,408.88 : x
  2. Step 2: Convert to fraction form
    13,452.62/18,526.05 = 13,408.88/x
  3. Step 3: Cross multiply
    13,452.62x = 18,526.05 × 13,408.88
  4. Step 4: Simplify right side
    13,452.62x = 248,413,488.69
  5. Step 5: Solve for x
    x = 248,413,488.69/13,452.62
  6. Step 6: Final answer
    x = 18,465.81

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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.