Home / 12,535.58-18,804.62-4,640.21

Finding the Fourth Proportional to 12,535.58, 18,804.62 and 4,640.21

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Solution

The fourth proportional to 12,535.58, 18,804.62 and 4,640.21 is: 6,960.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,535.58 : 18,804.62 = 4,640.21 : x
  2. Step 2: Convert to fraction form
    12,535.58/18,804.62 = 4,640.21/x
  3. Step 3: Cross multiply
    12,535.58x = 18,804.62 × 4,640.21
  4. Step 4: Simplify right side
    12,535.58x = 87,257,373.86
  5. Step 5: Solve for x
    x = 87,257,373.86/12,535.58
  6. Step 6: Final answer
    x = 6,960.78

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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.