Home / 13,673.19-18,864.39-11,150.92

Finding the Fourth Proportional to 13,673.19, 18,864.39 and 11,150.92

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Solution

The fourth proportional to 13,673.19, 18,864.39 and 11,150.92 is: 15,384.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,673.19 : 18,864.39 = 11,150.92 : x
  2. Step 2: Convert to fraction form
    13,673.19/18,864.39 = 11,150.92/x
  3. Step 3: Cross multiply
    13,673.19x = 18,864.39 × 11,150.92
  4. Step 4: Simplify right side
    13,673.19x = 210,355,263.02
  5. Step 5: Solve for x
    x = 210,355,263.02/13,673.19
  6. Step 6: Final answer
    x = 15,384.51

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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.