Home / 15,310.01-21,128.19-8,596.14

Finding the Fourth Proportional to 15,310.01, 21,128.19 and 8,596.14

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Solution

The fourth proportional to 15,310.01, 21,128.19 and 8,596.14 is: 11,862.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,310.01 : 21,128.19 = 8,596.14 : x
  2. Step 2: Convert to fraction form
    15,310.01/21,128.19 = 8,596.14/x
  3. Step 3: Cross multiply
    15,310.01x = 21,128.19 × 8,596.14
  4. Step 4: Simplify right side
    15,310.01x = 181,620,879.19
  5. Step 5: Solve for x
    x = 181,620,879.19/15,310.01
  6. Step 6: Final answer
    x = 11,862.89

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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.