Home / 20,303.84-30,454.79-5,310.96

Finding the Fourth Proportional to 20,303.84, 30,454.79 and 5,310.96

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Solution

The fourth proportional to 20,303.84, 30,454.79 and 5,310.96 is: 7,966.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,303.84 : 30,454.79 = 5,310.96 : x
  2. Step 2: Convert to fraction form
    20,303.84/30,454.79 = 5,310.96/x
  3. Step 3: Cross multiply
    20,303.84x = 30,454.79 × 5,310.96
  4. Step 4: Simplify right side
    20,303.84x = 161,744,144.94
  5. Step 5: Solve for x
    x = 161,744,144.94/20,303.84
  6. Step 6: Final answer
    x = 7,966.19

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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.