Home / 12,650.60-18,981.30-6,073.40

Finding the Fourth Proportional to 12,650.60, 18,981.30 and 6,073.40

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Solution

The fourth proportional to 12,650.60, 18,981.30 and 6,073.40 is: 9,112.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,650.60 : 18,981.30 = 6,073.40 : x
  2. Step 2: Convert to fraction form
    12,650.60/18,981.30 = 6,073.40/x
  3. Step 3: Cross multiply
    12,650.60x = 18,981.30 × 6,073.40
  4. Step 4: Simplify right side
    12,650.60x = 115,281,027.42
  5. Step 5: Solve for x
    x = 115,281,027.42/12,650.60
  6. Step 6: Final answer
    x = 9,112.69

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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.