Home / 15,012.47-22,518.72-3,919.15

Finding the Fourth Proportional to 15,012.47, 22,518.72 and 3,919.15

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Solution

The fourth proportional to 15,012.47, 22,518.72 and 3,919.15 is: 5,878.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,012.47 : 22,518.72 = 3,919.15 : x
  2. Step 2: Convert to fraction form
    15,012.47/22,518.72 = 3,919.15/x
  3. Step 3: Cross multiply
    15,012.47x = 22,518.72 × 3,919.15
  4. Step 4: Simplify right side
    15,012.47x = 88,254,241.49
  5. Step 5: Solve for x
    x = 88,254,241.49/15,012.47
  6. Step 6: Final answer
    x = 5,878.73

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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.