Home / 13,272.60-19,908.90-8,023.80

Finding the Fourth Proportional to 13,272.60, 19,908.90 and 8,023.80

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Solution

The fourth proportional to 13,272.60, 19,908.90 and 8,023.80 is: 12,035.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,272.60 : 19,908.90 = 8,023.80 : x
  2. Step 2: Convert to fraction form
    13,272.60/19,908.90 = 8,023.80/x
  3. Step 3: Cross multiply
    13,272.60x = 19,908.90 × 8,023.80
  4. Step 4: Simplify right side
    13,272.60x = 159,745,031.82
  5. Step 5: Solve for x
    x = 159,745,031.82/13,272.60
  6. Step 6: Final answer
    x = 12,035.70

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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.