Home / 20,151.36-27,818.52-13,448.16

Finding the Fourth Proportional to 20,151.36, 27,818.52 and 13,448.16

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Solution

The fourth proportional to 20,151.36, 27,818.52 and 13,448.16 is: 18,564.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,151.36 : 27,818.52 = 13,448.16 : x
  2. Step 2: Convert to fraction form
    20,151.36/27,818.52 = 13,448.16/x
  3. Step 3: Cross multiply
    20,151.36x = 27,818.52 × 13,448.16
  4. Step 4: Simplify right side
    20,151.36x = 374,107,907.92
  5. Step 5: Solve for x
    x = 374,107,907.92/20,151.36
  6. Step 6: Final answer
    x = 18,564.90

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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.