Home / 12,588.68-18,886.66-5,568.42

Finding the Fourth Proportional to 12,588.68, 18,886.66 and 5,568.42

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Solution

The fourth proportional to 12,588.68, 18,886.66 and 5,568.42 is: 8,354.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,588.68 : 18,886.66 = 5,568.42 : x
  2. Step 2: Convert to fraction form
    12,588.68/18,886.66 = 5,568.42/x
  3. Step 3: Cross multiply
    12,588.68x = 18,886.66 × 5,568.42
  4. Step 4: Simplify right side
    12,588.68x = 105,168,855.28
  5. Step 5: Solve for x
    x = 105,168,855.28/12,588.68
  6. Step 6: Final answer
    x = 8,354.24

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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.