Home / 20,262.02-27,961.61-11,309.51

Finding the Fourth Proportional to 20,262.02, 27,961.61 and 11,309.51

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Solution

The fourth proportional to 20,262.02, 27,961.61 and 11,309.51 is: 15,607.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,262.02 : 27,961.61 = 11,309.51 : x
  2. Step 2: Convert to fraction form
    20,262.02/27,961.61 = 11,309.51/x
  3. Step 3: Cross multiply
    20,262.02x = 27,961.61 × 11,309.51
  4. Step 4: Simplify right side
    20,262.02x = 316,232,121.27
  5. Step 5: Solve for x
    x = 316,232,121.27/20,262.02
  6. Step 6: Final answer
    x = 15,607.14

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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.