Home / 10,740.62-16,110.29-6,385.79

Finding the Fourth Proportional to 10,740.62, 16,110.29 and 6,385.79

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Solution

The fourth proportional to 10,740.62, 16,110.29 and 6,385.79 is: 9,578.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,740.62 : 16,110.29 = 6,385.79 : x
  2. Step 2: Convert to fraction form
    10,740.62/16,110.29 = 6,385.79/x
  3. Step 3: Cross multiply
    10,740.62x = 16,110.29 × 6,385.79
  4. Step 4: Simplify right side
    10,740.62x = 102,876,985.02
  5. Step 5: Solve for x
    x = 102,876,985.02/10,740.62
  6. Step 6: Final answer
    x = 9,578.31

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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.