Home / 11,555.19-15,946.17-6,519.42

Finding the Fourth Proportional to 11,555.19, 15,946.17 and 6,519.42

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Solution

The fourth proportional to 11,555.19, 15,946.17 and 6,519.42 is: 8,996.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,555.19 : 15,946.17 = 6,519.42 : x
  2. Step 2: Convert to fraction form
    11,555.19/15,946.17 = 6,519.42/x
  3. Step 3: Cross multiply
    11,555.19x = 15,946.17 × 6,519.42
  4. Step 4: Simplify right side
    11,555.19x = 103,959,779.62
  5. Step 5: Solve for x
    x = 103,959,779.62/11,555.19
  6. Step 6: Final answer
    x = 8,996.80

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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.