Home / 15,146.28-20,903.94-9,573.48

Finding the Fourth Proportional to 15,146.28, 20,903.94 and 9,573.48

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Solution

The fourth proportional to 15,146.28, 20,903.94 and 9,573.48 is: 13,212.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,146.28 : 20,903.94 = 9,573.48 : x
  2. Step 2: Convert to fraction form
    15,146.28/20,903.94 = 9,573.48/x
  3. Step 3: Cross multiply
    15,146.28x = 20,903.94 × 9,573.48
  4. Step 4: Simplify right side
    15,146.28x = 200,123,451.51
  5. Step 5: Solve for x
    x = 200,123,451.51/15,146.28
  6. Step 6: Final answer
    x = 13,212.71

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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.