Home / 11,386.44-15,712.85-6,350.87

Finding the Fourth Proportional to 11,386.44, 15,712.85 and 6,350.87

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Solution

The fourth proportional to 11,386.44, 15,712.85 and 6,350.87 is: 8,763.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,386.44 : 15,712.85 = 6,350.87 : x
  2. Step 2: Convert to fraction form
    11,386.44/15,712.85 = 6,350.87/x
  3. Step 3: Cross multiply
    11,386.44x = 15,712.85 × 6,350.87
  4. Step 4: Simplify right side
    11,386.44x = 99,790,322.84
  5. Step 5: Solve for x
    x = 99,790,322.84/11,386.44
  6. Step 6: Final answer
    x = 8,763.96

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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.