Home / 15,443.11-21,309.58-10,965.22

Finding the Fourth Proportional to 15,443.11, 21,309.58 and 10,965.22

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Solution

The fourth proportional to 15,443.11, 21,309.58 and 10,965.22 is: 15,130.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,443.11 : 21,309.58 = 10,965.22 : x
  2. Step 2: Convert to fraction form
    15,443.11/21,309.58 = 10,965.22/x
  3. Step 3: Cross multiply
    15,443.11x = 21,309.58 × 10,965.22
  4. Step 4: Simplify right side
    15,443.11x = 233,664,313.11
  5. Step 5: Solve for x
    x = 233,664,313.11/15,443.11
  6. Step 6: Final answer
    x = 15,130.66

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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.