Home / 10,620.09-14,655.49-5,839.81

Finding the Fourth Proportional to 10,620.09, 14,655.49 and 5,839.81

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Solution

The fourth proportional to 10,620.09, 14,655.49 and 5,839.81 is: 8,058.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,620.09 : 14,655.49 = 5,839.81 : x
  2. Step 2: Convert to fraction form
    10,620.09/14,655.49 = 5,839.81/x
  3. Step 3: Cross multiply
    10,620.09x = 14,655.49 × 5,839.81
  4. Step 4: Simplify right side
    10,620.09x = 85,585,277.06
  5. Step 5: Solve for x
    x = 85,585,277.06/10,620.09
  6. Step 6: Final answer
    x = 8,058.81

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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.