Home / 15,037.11-20,742.75-11,674.53

Finding the Fourth Proportional to 15,037.11, 20,742.75 and 11,674.53

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Solution

The fourth proportional to 15,037.11, 20,742.75 and 11,674.53 is: 16,104.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,037.11 : 20,742.75 = 11,674.53 : x
  2. Step 2: Convert to fraction form
    15,037.11/20,742.75 = 11,674.53/x
  3. Step 3: Cross multiply
    15,037.11x = 20,742.75 × 11,674.53
  4. Step 4: Simplify right side
    15,037.11x = 242,161,857.16
  5. Step 5: Solve for x
    x = 242,161,857.16/15,037.11
  6. Step 6: Final answer
    x = 16,104.28

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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.