Home / 10,177.21-15,267.63-5,245.51

Finding the Fourth Proportional to 10,177.21, 15,267.63 and 5,245.51

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Solution

The fourth proportional to 10,177.21, 15,267.63 and 5,245.51 is: 7,869.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,177.21 : 15,267.63 = 5,245.51 : x
  2. Step 2: Convert to fraction form
    10,177.21/15,267.63 = 5,245.51/x
  3. Step 3: Cross multiply
    10,177.21x = 15,267.63 × 5,245.51
  4. Step 4: Simplify right side
    10,177.21x = 80,086,505.84
  5. Step 5: Solve for x
    x = 80,086,505.84/10,177.21
  6. Step 6: Final answer
    x = 7,869.20

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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.