Home / 21,019.12-29,006.61-11,588.02

Finding the Fourth Proportional to 21,019.12, 29,006.61 and 11,588.02

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Solution

The fourth proportional to 21,019.12, 29,006.61 and 11,588.02 is: 15,991.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,019.12 : 29,006.61 = 11,588.02 : x
  2. Step 2: Convert to fraction form
    21,019.12/29,006.61 = 11,588.02/x
  3. Step 3: Cross multiply
    21,019.12x = 29,006.61 × 11,588.02
  4. Step 4: Simplify right side
    21,019.12x = 336,129,176.81
  5. Step 5: Solve for x
    x = 336,129,176.81/21,019.12
  6. Step 6: Final answer
    x = 15,991.59

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.