Home / 10,008.03-15,012.80-2,987.49

Finding the Fourth Proportional to 10,008.03, 15,012.80 and 2,987.49

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Solution

The fourth proportional to 10,008.03, 15,012.80 and 2,987.49 is: 4,481.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,008.03 : 15,012.80 = 2,987.49 : x
  2. Step 2: Convert to fraction form
    10,008.03/15,012.80 = 2,987.49/x
  3. Step 3: Cross multiply
    10,008.03x = 15,012.80 × 2,987.49
  4. Step 4: Simplify right side
    10,008.03x = 44,850,589.87
  5. Step 5: Solve for x
    x = 44,850,589.87/10,008.03
  6. Step 6: Final answer
    x = 4,481.46

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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.