Home / 10,524.11-15,786.16-3,128.67

Finding the Fourth Proportional to 10,524.11, 15,786.16 and 3,128.67

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Solution

The fourth proportional to 10,524.11, 15,786.16 and 3,128.67 is: 4,693.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,524.11 : 15,786.16 = 3,128.67 : x
  2. Step 2: Convert to fraction form
    10,524.11/15,786.16 = 3,128.67/x
  3. Step 3: Cross multiply
    10,524.11x = 15,786.16 × 3,128.67
  4. Step 4: Simplify right side
    10,524.11x = 49,389,677.39
  5. Step 5: Solve for x
    x = 49,389,677.39/10,524.11
  6. Step 6: Final answer
    x = 4,693.01

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Similar ratio
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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.