Home / 20,274.10-30,411.05-5,482.99

Finding the Fourth Proportional to 20,274.10, 30,411.05 and 5,482.99

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Solution

The fourth proportional to 20,274.10, 30,411.05 and 5,482.99 is: 8,224.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,274.10 : 30,411.05 = 5,482.99 : x
  2. Step 2: Convert to fraction form
    20,274.10/30,411.05 = 5,482.99/x
  3. Step 3: Cross multiply
    20,274.10x = 30,411.05 × 5,482.99
  4. Step 4: Simplify right side
    20,274.10x = 166,743,493.64
  5. Step 5: Solve for x
    x = 166,743,493.64/20,274.10
  6. Step 6: Final answer
    x = 8,224.46

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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.