Home / 20,505.13-30,757.70-14,673.13

Finding the Fourth Proportional to 20,505.13, 30,757.70 and 14,673.13

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Solution

The fourth proportional to 20,505.13, 30,757.70 and 14,673.13 is: 22,009.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,505.13 : 30,757.70 = 14,673.13 : x
  2. Step 2: Convert to fraction form
    20,505.13/30,757.70 = 14,673.13/x
  3. Step 3: Cross multiply
    20,505.13x = 30,757.70 × 14,673.13
  4. Step 4: Simplify right side
    20,505.13x = 451,311,730.60
  5. Step 5: Solve for x
    x = 451,311,730.60/20,505.13
  6. Step 6: Final answer
    x = 22,009.70

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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.