Home / 10,174.21-15,259.39-3,153.33

Finding the Fourth Proportional to 10,174.21, 15,259.39 and 3,153.33

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Solution

The fourth proportional to 10,174.21, 15,259.39 and 3,153.33 is: 4,729.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,174.21 : 15,259.39 = 3,153.33 : x
  2. Step 2: Convert to fraction form
    10,174.21/15,259.39 = 3,153.33/x
  3. Step 3: Cross multiply
    10,174.21x = 15,259.39 × 3,153.33
  4. Step 4: Simplify right side
    10,174.21x = 48,117,884.39
  5. Step 5: Solve for x
    x = 48,117,884.39/10,174.21
  6. Step 6: Final answer
    x = 4,729.40

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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.