Home / 10,914.18-16,338.90-6,740.76

Finding the Fourth Proportional to 10,914.18, 16,338.90 and 6,740.76

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Solution

The fourth proportional to 10,914.18, 16,338.90 and 6,740.76 is: 10,091.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,914.18 : 16,338.90 = 6,740.76 : x
  2. Step 2: Convert to fraction form
    10,914.18/16,338.90 = 6,740.76/x
  3. Step 3: Cross multiply
    10,914.18x = 16,338.90 × 6,740.76
  4. Step 4: Simplify right side
    10,914.18x = 110,136,603.56
  5. Step 5: Solve for x
    x = 110,136,603.56/10,914.18
  6. Step 6: Final answer
    x = 10,091.15

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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.