Home / 13,899.18-20,851.07-4,536.48

Finding the Fourth Proportional to 13,899.18, 20,851.07 and 4,536.48

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Solution

The fourth proportional to 13,899.18, 20,851.07 and 4,536.48 is: 6,805.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,899.18 : 20,851.07 = 4,536.48 : x
  2. Step 2: Convert to fraction form
    13,899.18/20,851.07 = 4,536.48/x
  3. Step 3: Cross multiply
    13,899.18x = 20,851.07 × 4,536.48
  4. Step 4: Simplify right side
    13,899.18x = 94,590,439.35
  5. Step 5: Solve for x
    x = 94,590,439.35/13,899.18
  6. Step 6: Final answer
    x = 6,805.47

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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.