Home / 11,984.76-16,538.13-6,880.86

Finding the Fourth Proportional to 11,984.76, 16,538.13 and 6,880.86

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Solution

The fourth proportional to 11,984.76, 16,538.13 and 6,880.86 is: 9,495.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,984.76 : 16,538.13 = 6,880.86 : x
  2. Step 2: Convert to fraction form
    11,984.76/16,538.13 = 6,880.86/x
  3. Step 3: Cross multiply
    11,984.76x = 16,538.13 × 6,880.86
  4. Step 4: Simplify right side
    11,984.76x = 113,796,557.19
  5. Step 5: Solve for x
    x = 113,796,557.19/11,984.76
  6. Step 6: Final answer
    x = 9,495.11

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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.