Home / 21,395.17-29,523.06-11,833.54

Finding the Fourth Proportional to 21,395.17, 29,523.06 and 11,833.54

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Solution

The fourth proportional to 21,395.17, 29,523.06 and 11,833.54 is: 16,329.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,395.17 : 29,523.06 = 11,833.54 : x
  2. Step 2: Convert to fraction form
    21,395.17/29,523.06 = 11,833.54/x
  3. Step 3: Cross multiply
    21,395.17x = 29,523.06 × 11,833.54
  4. Step 4: Simplify right side
    21,395.17x = 349,362,215.51
  5. Step 5: Solve for x
    x = 349,362,215.51/21,395.17
  6. Step 6: Final answer
    x = 16,329.02

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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.