Home / 15,605.40-23,408.10-6,249.90

Finding the Fourth Proportional to 15,605.40, 23,408.10 and 6,249.90

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Solution

The fourth proportional to 15,605.40, 23,408.10 and 6,249.90 is: 9,374.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,605.40 : 23,408.10 = 6,249.90 : x
  2. Step 2: Convert to fraction form
    15,605.40/23,408.10 = 6,249.90/x
  3. Step 3: Cross multiply
    15,605.40x = 23,408.10 × 6,249.90
  4. Step 4: Simplify right side
    15,605.40x = 146,298,284.19
  5. Step 5: Solve for x
    x = 146,298,284.19/15,605.40
  6. Step 6: Final answer
    x = 9,374.85

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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.