Home / 14,654.86-20,223.80-8,194.50

Finding the Fourth Proportional to 14,654.86, 20,223.80 and 8,194.50

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Solution

The fourth proportional to 14,654.86, 20,223.80 and 8,194.50 is: 11,308.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,654.86 : 20,223.80 = 8,194.50 : x
  2. Step 2: Convert to fraction form
    14,654.86/20,223.80 = 8,194.50/x
  3. Step 3: Cross multiply
    14,654.86x = 20,223.80 × 8,194.50
  4. Step 4: Simplify right side
    14,654.86x = 165,723,929.10
  5. Step 5: Solve for x
    x = 165,723,929.10/14,654.86
  6. Step 6: Final answer
    x = 11,308.46

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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.