Home / 13,276.83-20,003.88-12,011.86

Finding the Fourth Proportional to 13,276.83, 20,003.88 and 12,011.86

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Solution

The fourth proportional to 13,276.83, 20,003.88 and 12,011.86 is: 18,097.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,276.83 : 20,003.88 = 12,011.86 : x
  2. Step 2: Convert to fraction form
    13,276.83/20,003.88 = 12,011.86/x
  3. Step 3: Cross multiply
    13,276.83x = 20,003.88 × 12,011.86
  4. Step 4: Simplify right side
    13,276.83x = 240,283,806.02
  5. Step 5: Solve for x
    x = 240,283,806.02/13,276.83
  6. Step 6: Final answer
    x = 18,097.98

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.