Home / 15,233.15-21,022.31-8,518.76

Finding the Fourth Proportional to 15,233.15, 21,022.31 and 8,518.76

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Solution

The fourth proportional to 15,233.15, 21,022.31 and 8,518.76 is: 11,756.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,233.15 : 21,022.31 = 8,518.76 : x
  2. Step 2: Convert to fraction form
    15,233.15/21,022.31 = 8,518.76/x
  3. Step 3: Cross multiply
    15,233.15x = 21,022.31 × 8,518.76
  4. Step 4: Simplify right side
    15,233.15x = 179,083,929.72
  5. Step 5: Solve for x
    x = 179,083,929.72/15,233.15
  6. Step 6: Final answer
    x = 11,756.20

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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.