Home / 20,575.84-30,863.64-4,993.36

Finding the Fourth Proportional to 20,575.84, 30,863.64 and 4,993.36

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Solution

The fourth proportional to 20,575.84, 30,863.64 and 4,993.36 is: 7,490.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,575.84 : 30,863.64 = 4,993.36 : x
  2. Step 2: Convert to fraction form
    20,575.84/30,863.64 = 4,993.36/x
  3. Step 3: Cross multiply
    20,575.84x = 30,863.64 × 4,993.36
  4. Step 4: Simplify right side
    20,575.84x = 154,113,265.43
  5. Step 5: Solve for x
    x = 154,113,265.43/20,575.84
  6. Step 6: Final answer
    x = 7,490.01

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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.