Home / 10,756.74-16,135.86-2,859.18

Finding the Fourth Proportional to 10,756.74, 16,135.86 and 2,859.18

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Solution

The fourth proportional to 10,756.74, 16,135.86 and 2,859.18 is: 4,288.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,756.74 : 16,135.86 = 2,859.18 : x
  2. Step 2: Convert to fraction form
    10,756.74/16,135.86 = 2,859.18/x
  3. Step 3: Cross multiply
    10,756.74x = 16,135.86 × 2,859.18
  4. Step 4: Simplify right side
    10,756.74x = 46,135,328.19
  5. Step 5: Solve for x
    x = 46,135,328.19/10,756.74
  6. Step 6: Final answer
    x = 4,288.97

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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.