Home / 11,098.11-15,315.03-6,317.76

Finding the Fourth Proportional to 11,098.11, 15,315.03 and 6,317.76

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Solution

The fourth proportional to 11,098.11, 15,315.03 and 6,317.76 is: 8,718.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,098.11 : 15,315.03 = 6,317.76 : x
  2. Step 2: Convert to fraction form
    11,098.11/15,315.03 = 6,317.76/x
  3. Step 3: Cross multiply
    11,098.11x = 15,315.03 × 6,317.76
  4. Step 4: Simplify right side
    11,098.11x = 96,756,683.93
  5. Step 5: Solve for x
    x = 96,756,683.93/11,098.11
  6. Step 6: Final answer
    x = 8,718.30

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Half scale
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Double scale
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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.