Home / 18,408.03-25,402.50-10,854.83

Finding the Fourth Proportional to 18,408.03, 25,402.50 and 10,854.83

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Solution

The fourth proportional to 18,408.03, 25,402.50 and 10,854.83 is: 14,979.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,408.03 : 25,402.50 = 10,854.83 : x
  2. Step 2: Convert to fraction form
    18,408.03/25,402.50 = 10,854.83/x
  3. Step 3: Cross multiply
    18,408.03x = 25,402.50 × 10,854.83
  4. Step 4: Simplify right side
    18,408.03x = 275,739,692.06
  5. Step 5: Solve for x
    x = 275,739,692.06/18,408.03
  6. Step 6: Final answer
    x = 14,979.32

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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.