Home / 18,709.35-25,818.51-10,211.64

Finding the Fourth Proportional to 18,709.35, 25,818.51 and 10,211.64

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Solution

The fourth proportional to 18,709.35, 25,818.51 and 10,211.64 is: 14,091.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,709.35 : 25,818.51 = 10,211.64 : x
  2. Step 2: Convert to fraction form
    18,709.35/25,818.51 = 10,211.64/x
  3. Step 3: Cross multiply
    18,709.35x = 25,818.51 × 10,211.64
  4. Step 4: Simplify right side
    18,709.35x = 263,649,329.46
  5. Step 5: Solve for x
    x = 263,649,329.46/18,709.35
  6. Step 6: Final answer
    x = 14,091.85

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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.