Home / 14,684.49-20,252.79-13,454.28

Finding the Fourth Proportional to 14,684.49, 20,252.79 and 13,454.28

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Solution

The fourth proportional to 14,684.49, 20,252.79 and 13,454.28 is: 18,556.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,684.49 : 20,252.79 = 13,454.28 : x
  2. Step 2: Convert to fraction form
    14,684.49/20,252.79 = 13,454.28/x
  3. Step 3: Cross multiply
    14,684.49x = 20,252.79 × 13,454.28
  4. Step 4: Simplify right side
    14,684.49x = 272,486,707.44
  5. Step 5: Solve for x
    x = 272,486,707.44/14,684.49
  6. Step 6: Final answer
    x = 18,556.09

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1.5x scale

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.