Home / 18,503.28-27,734.40-14,106.24

Finding the Fourth Proportional to 18,503.28, 27,734.40 and 14,106.24

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Solution

The fourth proportional to 18,503.28, 27,734.40 and 14,106.24 is: 21,143.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,503.28 : 27,734.40 = 14,106.24 : x
  2. Step 2: Convert to fraction form
    18,503.28/27,734.40 = 14,106.24/x
  3. Step 3: Cross multiply
    18,503.28x = 27,734.40 × 14,106.24
  4. Step 4: Simplify right side
    18,503.28x = 391,228,102.66
  5. Step 5: Solve for x
    x = 391,228,102.66/18,503.28
  6. Step 6: Final answer
    x = 21,143.72

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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.