Home / 11,316.92-15,617.11-6,280.85

Finding the Fourth Proportional to 11,316.92, 15,617.11 and 6,280.85

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Solution

The fourth proportional to 11,316.92, 15,617.11 and 6,280.85 is: 8,667.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,316.92 : 15,617.11 = 6,280.85 : x
  2. Step 2: Convert to fraction form
    11,316.92/15,617.11 = 6,280.85/x
  3. Step 3: Cross multiply
    11,316.92x = 15,617.11 × 6,280.85
  4. Step 4: Simplify right side
    11,316.92x = 98,088,647.26
  5. Step 5: Solve for x
    x = 98,088,647.26/11,316.92
  6. Step 6: Final answer
    x = 8,667.43

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Half scale
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Double scale
Find fourth proportional to 11,317.92, 15,618.49 and 6,281.85
Similar ratio
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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.