Home / 10,195.03-15,290.81-2,797.75

Finding the Fourth Proportional to 10,195.03, 15,290.81 and 2,797.75

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Solution

The fourth proportional to 10,195.03, 15,290.81 and 2,797.75 is: 4,196.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,195.03 : 15,290.81 = 2,797.75 : x
  2. Step 2: Convert to fraction form
    10,195.03/15,290.81 = 2,797.75/x
  3. Step 3: Cross multiply
    10,195.03x = 15,290.81 × 2,797.75
  4. Step 4: Simplify right side
    10,195.03x = 42,779,863.68
  5. Step 5: Solve for x
    x = 42,779,863.68/10,195.03
  6. Step 6: Final answer
    x = 4,196.15

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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.