Home / 10,408.40-14,364.90-5,933.76

Finding the Fourth Proportional to 10,408.40, 14,364.90 and 5,933.76

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Solution

The fourth proportional to 10,408.40, 14,364.90 and 5,933.76 is: 8,189.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,408.40 : 14,364.90 = 5,933.76 : x
  2. Step 2: Convert to fraction form
    10,408.40/14,364.90 = 5,933.76/x
  3. Step 3: Cross multiply
    10,408.40x = 14,364.90 × 5,933.76
  4. Step 4: Simplify right side
    10,408.40x = 85,237,869.02
  5. Step 5: Solve for x
    x = 85,237,869.02/10,408.40
  6. Step 6: Final answer
    x = 8,189.33

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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.