Home / 13,674.30-18,869.39-8,008.28

Finding the Fourth Proportional to 13,674.30, 18,869.39 and 8,008.28

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Solution

The fourth proportional to 13,674.30, 18,869.39 and 8,008.28 is: 11,050.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,674.30 : 18,869.39 = 8,008.28 : x
  2. Step 2: Convert to fraction form
    13,674.30/18,869.39 = 8,008.28/x
  3. Step 3: Cross multiply
    13,674.30x = 18,869.39 × 8,008.28
  4. Step 4: Simplify right side
    13,674.30x = 151,111,358.55
  5. Step 5: Solve for x
    x = 151,111,358.55/13,674.30
  6. Step 6: Final answer
    x = 11,050.76

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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.