Home / 10,274.36-15,337.19-9,028.78

Finding the Fourth Proportional to 10,274.36, 15,337.19 and 9,028.78

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Solution

The fourth proportional to 10,274.36, 15,337.19 and 9,028.78 is: 13,477.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,274.36 : 15,337.19 = 9,028.78 : x
  2. Step 2: Convert to fraction form
    10,274.36/15,337.19 = 9,028.78/x
  3. Step 3: Cross multiply
    10,274.36x = 15,337.19 × 9,028.78
  4. Step 4: Simplify right side
    10,274.36x = 138,476,030.84
  5. Step 5: Solve for x
    x = 138,476,030.84/10,274.36
  6. Step 6: Final answer
    x = 13,477.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.