Home / 13,677.24-18,953.87-13,414.76

Finding the Fourth Proportional to 13,677.24, 18,953.87 and 13,414.76

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Solution

The fourth proportional to 13,677.24, 18,953.87 and 13,414.76 is: 18,590.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,677.24 : 18,953.87 = 13,414.76 : x
  2. Step 2: Convert to fraction form
    13,677.24/18,953.87 = 13,414.76/x
  3. Step 3: Cross multiply
    13,677.24x = 18,953.87 × 13,414.76
  4. Step 4: Simplify right side
    13,677.24x = 254,261,617.12
  5. Step 5: Solve for x
    x = 254,261,617.12/13,677.24
  6. Step 6: Final answer
    x = 18,590.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.