Home / 10,939.92-16,408.95-6,554.16

Finding the Fourth Proportional to 10,939.92, 16,408.95 and 6,554.16

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Solution

The fourth proportional to 10,939.92, 16,408.95 and 6,554.16 is: 9,830.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,939.92 : 16,408.95 = 6,554.16 : x
  2. Step 2: Convert to fraction form
    10,939.92/16,408.95 = 6,554.16/x
  3. Step 3: Cross multiply
    10,939.92x = 16,408.95 × 6,554.16
  4. Step 4: Simplify right side
    10,939.92x = 107,546,883.73
  5. Step 5: Solve for x
    x = 107,546,883.73/10,939.92
  6. Step 6: Final answer
    x = 9,830.68

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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.