Home / 15,233.76-21,032.64-11,715.36

Finding the Fourth Proportional to 15,233.76, 21,032.64 and 11,715.36

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Solution

The fourth proportional to 15,233.76, 21,032.64 and 11,715.36 is: 16,174.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,233.76 : 21,032.64 = 11,715.36 : x
  2. Step 2: Convert to fraction form
    15,233.76/21,032.64 = 11,715.36/x
  3. Step 3: Cross multiply
    15,233.76x = 21,032.64 × 11,715.36
  4. Step 4: Simplify right side
    15,233.76x = 246,404,949.35
  5. Step 5: Solve for x
    x = 246,404,949.35/15,233.76
  6. Step 6: Final answer
    x = 16,174.93

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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.