Home / 15,012.04-22,519.38-3,918.64

Finding the Fourth Proportional to 15,012.04, 22,519.38 and 3,918.64

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Solution

The fourth proportional to 15,012.04, 22,519.38 and 3,918.64 is: 5,878.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,012.04 : 22,519.38 = 3,918.64 : x
  2. Step 2: Convert to fraction form
    15,012.04/22,519.38 = 3,918.64/x
  3. Step 3: Cross multiply
    15,012.04x = 22,519.38 × 3,918.64
  4. Step 4: Simplify right side
    15,012.04x = 88,245,343.24
  5. Step 5: Solve for x
    x = 88,245,343.24/15,012.04
  6. Step 6: Final answer
    x = 5,878.30

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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.