Home / 10,937.84-16,407.48-3,146.72

Finding the Fourth Proportional to 10,937.84, 16,407.48 and 3,146.72

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Solution

The fourth proportional to 10,937.84, 16,407.48 and 3,146.72 is: 4,720.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,937.84 : 16,407.48 = 3,146.72 : x
  2. Step 2: Convert to fraction form
    10,937.84/16,407.48 = 3,146.72/x
  3. Step 3: Cross multiply
    10,937.84x = 16,407.48 × 3,146.72
  4. Step 4: Simplify right side
    10,937.84x = 51,629,745.47
  5. Step 5: Solve for x
    x = 51,629,745.47/10,937.84
  6. Step 6: Final answer
    x = 4,720.29

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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.