Home / 12,608.13-18,921.30-4,816.95

Finding the Fourth Proportional to 12,608.13, 18,921.30 and 4,816.95

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Solution

The fourth proportional to 12,608.13, 18,921.30 and 4,816.95 is: 7,228.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,608.13 : 18,921.30 = 4,816.95 : x
  2. Step 2: Convert to fraction form
    12,608.13/18,921.30 = 4,816.95/x
  3. Step 3: Cross multiply
    12,608.13x = 18,921.30 × 4,816.95
  4. Step 4: Simplify right side
    12,608.13x = 91,142,956.04
  5. Step 5: Solve for x
    x = 91,142,956.04/12,608.13
  6. Step 6: Final answer
    x = 7,228.90

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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.