Home / 11,113.10-16,661.40-6,729.52

Finding the Fourth Proportional to 11,113.10, 16,661.40 and 6,729.52

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Solution

The fourth proportional to 11,113.10, 16,661.40 and 6,729.52 is: 10,089.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,113.10 : 16,661.40 = 6,729.52 : x
  2. Step 2: Convert to fraction form
    11,113.10/16,661.40 = 6,729.52/x
  3. Step 3: Cross multiply
    11,113.10x = 16,661.40 × 6,729.52
  4. Step 4: Simplify right side
    11,113.10x = 112,123,224.53
  5. Step 5: Solve for x
    x = 112,123,224.53/11,113.10
  6. Step 6: Final answer
    x = 10,089.28

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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.