Home / 12,292.56-18,440.06-3,528.77

Finding the Fourth Proportional to 12,292.56, 18,440.06 and 3,528.77

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Solution

The fourth proportional to 12,292.56, 18,440.06 and 3,528.77 is: 5,293.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,292.56 : 18,440.06 = 3,528.77 : x
  2. Step 2: Convert to fraction form
    12,292.56/18,440.06 = 3,528.77/x
  3. Step 3: Cross multiply
    12,292.56x = 18,440.06 × 3,528.77
  4. Step 4: Simplify right side
    12,292.56x = 65,070,620.68
  5. Step 5: Solve for x
    x = 65,070,620.68/12,292.56
  6. Step 6: Final answer
    x = 5,293.50

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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.