Home / 18,708.04-28,037.81-7,601.84

Finding the Fourth Proportional to 18,708.04, 28,037.81 and 7,601.84

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Solution

The fourth proportional to 18,708.04, 28,037.81 and 7,601.84 is: 11,392.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,708.04 : 28,037.81 = 7,601.84 : x
  2. Step 2: Convert to fraction form
    18,708.04/28,037.81 = 7,601.84/x
  3. Step 3: Cross multiply
    18,708.04x = 28,037.81 × 7,601.84
  4. Step 4: Simplify right side
    18,708.04x = 213,138,945.57
  5. Step 5: Solve for x
    x = 213,138,945.57/18,708.04
  6. Step 6: Final answer
    x = 11,392.91

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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.