Home / 20,274.60-30,411.80-5,483.49

Finding the Fourth Proportional to 20,274.60, 30,411.80 and 5,483.49

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Solution

The fourth proportional to 20,274.60, 30,411.80 and 5,483.49 is: 8,225.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,274.60 : 30,411.80 = 5,483.49 : x
  2. Step 2: Convert to fraction form
    20,274.60/30,411.80 = 5,483.49/x
  3. Step 3: Cross multiply
    20,274.60x = 30,411.80 × 5,483.49
  4. Step 4: Simplify right side
    20,274.60x = 166,762,773.76
  5. Step 5: Solve for x
    x = 166,762,773.76/20,274.60
  6. Step 6: Final answer
    x = 8,225.21

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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.