Home / 20,296.50-28,009.18-12,337.24

Finding the Fourth Proportional to 20,296.50, 28,009.18 and 12,337.24

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Solution

The fourth proportional to 20,296.50, 28,009.18 and 12,337.24 is: 17,025.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,296.50 : 28,009.18 = 12,337.24 : x
  2. Step 2: Convert to fraction form
    20,296.50/28,009.18 = 12,337.24/x
  3. Step 3: Cross multiply
    20,296.50x = 28,009.18 × 12,337.24
  4. Step 4: Simplify right side
    20,296.50x = 345,555,975.86
  5. Step 5: Solve for x
    x = 345,555,975.86/20,296.50
  6. Step 6: Final answer
    x = 17,025.40

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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.