Home / 11,520.96-15,898.02-6,804.36

Finding the Fourth Proportional to 11,520.96, 15,898.02 and 6,804.36

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Solution

The fourth proportional to 11,520.96, 15,898.02 and 6,804.36 is: 9,389.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,520.96 : 15,898.02 = 6,804.36 : x
  2. Step 2: Convert to fraction form
    11,520.96/15,898.02 = 6,804.36/x
  3. Step 3: Cross multiply
    11,520.96x = 15,898.02 × 6,804.36
  4. Step 4: Simplify right side
    11,520.96x = 108,175,851.37
  5. Step 5: Solve for x
    x = 108,175,851.37/11,520.96
  6. Step 6: Final answer
    x = 9,389.48

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Half scale
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Double scale
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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.