Home / 20,094.86-30,142.30-13,167.74

Finding the Fourth Proportional to 20,094.86, 30,142.30 and 13,167.74

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Solution

The fourth proportional to 20,094.86, 30,142.30 and 13,167.74 is: 19,751.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,094.86 : 30,142.30 = 13,167.74 : x
  2. Step 2: Convert to fraction form
    20,094.86/30,142.30 = 13,167.74/x
  3. Step 3: Cross multiply
    20,094.86x = 30,142.30 × 13,167.74
  4. Step 4: Simplify right side
    20,094.86x = 396,905,969.40
  5. Step 5: Solve for x
    x = 396,905,969.40/20,094.86
  6. Step 6: Final answer
    x = 19,751.62

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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.