Home / 10,074.83-15,112.16-2,679.81

Finding the Fourth Proportional to 10,074.83, 15,112.16 and 2,679.81

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Solution

The fourth proportional to 10,074.83, 15,112.16 and 2,679.81 is: 4,019.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,074.83 : 15,112.16 = 2,679.81 : x
  2. Step 2: Convert to fraction form
    10,074.83/15,112.16 = 2,679.81/x
  3. Step 3: Cross multiply
    10,074.83x = 15,112.16 × 2,679.81
  4. Step 4: Simplify right side
    10,074.83x = 40,497,657.47
  5. Step 5: Solve for x
    x = 40,497,657.47/10,074.83
  6. Step 6: Final answer
    x = 4,019.69

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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.