Home / 20,160.19-30,247.12-10,296.82

Finding the Fourth Proportional to 20,160.19, 30,247.12 and 10,296.82

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Solution

The fourth proportional to 20,160.19, 30,247.12 and 10,296.82 is: 15,448.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,160.19 : 30,247.12 = 10,296.82 : x
  2. Step 2: Convert to fraction form
    20,160.19/30,247.12 = 10,296.82/x
  3. Step 3: Cross multiply
    20,160.19x = 30,247.12 × 10,296.82
  4. Step 4: Simplify right side
    20,160.19x = 311,449,200.84
  5. Step 5: Solve for x
    x = 311,449,200.84/20,160.19
  6. Step 6: Final answer
    x = 15,448.72

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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.