Home / 15,832.82-21,849.66-9,117.38

Finding the Fourth Proportional to 15,832.82, 21,849.66 and 9,117.38

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Solution

The fourth proportional to 15,832.82, 21,849.66 and 9,117.38 is: 12,582.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,832.82 : 21,849.66 = 9,117.38 : x
  2. Step 2: Convert to fraction form
    15,832.82/21,849.66 = 9,117.38/x
  3. Step 3: Cross multiply
    15,832.82x = 21,849.66 × 9,117.38
  4. Step 4: Simplify right side
    15,832.82x = 199,211,707.71
  5. Step 5: Solve for x
    x = 199,211,707.71/15,832.82
  6. Step 6: Final answer
    x = 12,582.20

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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.