Home / 21,095.13-31,647.71-11,232.37

Finding the Fourth Proportional to 21,095.13, 31,647.71 and 11,232.37

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Solution

The fourth proportional to 21,095.13, 31,647.71 and 11,232.37 is: 16,851.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,095.13 : 31,647.71 = 11,232.37 : x
  2. Step 2: Convert to fraction form
    21,095.13/31,647.71 = 11,232.37/x
  3. Step 3: Cross multiply
    21,095.13x = 31,647.71 × 11,232.37
  4. Step 4: Simplify right side
    21,095.13x = 355,478,856.01
  5. Step 5: Solve for x
    x = 355,478,856.01/21,095.13
  6. Step 6: Final answer
    x = 16,851.23

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.