Home / 12,568.68-18,855.80-4,248.51

Finding the Fourth Proportional to 12,568.68, 18,855.80 and 4,248.51

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Solution

The fourth proportional to 12,568.68, 18,855.80 and 4,248.51 is: 6,373.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,568.68 : 18,855.80 = 4,248.51 : x
  2. Step 2: Convert to fraction form
    12,568.68/18,855.80 = 4,248.51/x
  3. Step 3: Cross multiply
    12,568.68x = 18,855.80 × 4,248.51
  4. Step 4: Simplify right side
    12,568.68x = 80,109,033.62
  5. Step 5: Solve for x
    x = 80,109,033.62/12,568.68
  6. Step 6: Final answer
    x = 6,373.70

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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.