Home / 13,655.39-20,479.43-5,862.38

Finding the Fourth Proportional to 13,655.39, 20,479.43 and 5,862.38

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Solution

The fourth proportional to 13,655.39, 20,479.43 and 5,862.38 is: 8,792.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,655.39 : 20,479.43 = 5,862.38 : x
  2. Step 2: Convert to fraction form
    13,655.39/20,479.43 = 5,862.38/x
  3. Step 3: Cross multiply
    13,655.39x = 20,479.43 × 5,862.38
  4. Step 4: Simplify right side
    13,655.39x = 120,058,113.10
  5. Step 5: Solve for x
    x = 120,058,113.10/13,655.39
  6. Step 6: Final answer
    x = 8,792.00

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.