Home / 10,278.62-15,416.74-2,883.68

Finding the Fourth Proportional to 10,278.62, 15,416.74 and 2,883.68

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Solution

The fourth proportional to 10,278.62, 15,416.74 and 2,883.68 is: 4,325.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,278.62 : 15,416.74 = 2,883.68 : x
  2. Step 2: Convert to fraction form
    10,278.62/15,416.74 = 2,883.68/x
  3. Step 3: Cross multiply
    10,278.62x = 15,416.74 × 2,883.68
  4. Step 4: Simplify right side
    10,278.62x = 44,456,944.80
  5. Step 5: Solve for x
    x = 44,456,944.80/10,278.62
  6. Step 6: Final answer
    x = 4,325.19

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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.