Home / 13,894.04-20,886.24-11,150.78

Finding the Fourth Proportional to 13,894.04, 20,886.24 and 11,150.78

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Solution

The fourth proportional to 13,894.04, 20,886.24 and 11,150.78 is: 16,762.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,894.04 : 20,886.24 = 11,150.78 : x
  2. Step 2: Convert to fraction form
    13,894.04/20,886.24 = 11,150.78/x
  3. Step 3: Cross multiply
    13,894.04x = 20,886.24 × 11,150.78
  4. Step 4: Simplify right side
    13,894.04x = 232,897,867.27
  5. Step 5: Solve for x
    x = 232,897,867.27/13,894.04
  6. Step 6: Final answer
    x = 16,762.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.