Home / 13,808.77-19,067.33-11,256.93

Finding the Fourth Proportional to 13,808.77, 19,067.33 and 11,256.93

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Solution

The fourth proportional to 13,808.77, 19,067.33 and 11,256.93 is: 15,543.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,808.77 : 19,067.33 = 11,256.93 : x
  2. Step 2: Convert to fraction form
    13,808.77/19,067.33 = 11,256.93/x
  3. Step 3: Cross multiply
    13,808.77x = 19,067.33 × 11,256.93
  4. Step 4: Simplify right side
    13,808.77x = 214,639,627.24
  5. Step 5: Solve for x
    x = 214,639,627.24/13,808.77
  6. Step 6: Final answer
    x = 15,543.72

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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.