Home / 13,677.07-18,874.06-8,011.12

Finding the Fourth Proportional to 13,677.07, 18,874.06 and 8,011.12

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Solution

The fourth proportional to 13,677.07, 18,874.06 and 8,011.12 is: 11,055.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,677.07 : 18,874.06 = 8,011.12 : x
  2. Step 2: Convert to fraction form
    13,677.07/18,874.06 = 8,011.12/x
  3. Step 3: Cross multiply
    13,677.07x = 18,874.06 × 8,011.12
  4. Step 4: Simplify right side
    13,677.07x = 151,202,359.55
  5. Step 5: Solve for x
    x = 151,202,359.55/13,677.07
  6. Step 6: Final answer
    x = 11,055.17

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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.