Home / 20,454.05-30,677.65-5,664.46

Finding the Fourth Proportional to 20,454.05, 30,677.65 and 5,664.46

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Solution

The fourth proportional to 20,454.05, 30,677.65 and 5,664.46 is: 8,495.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,454.05 : 30,677.65 = 5,664.46 : x
  2. Step 2: Convert to fraction form
    20,454.05/30,677.65 = 5,664.46/x
  3. Step 3: Cross multiply
    20,454.05x = 30,677.65 × 5,664.46
  4. Step 4: Simplify right side
    20,454.05x = 173,772,321.32
  5. Step 5: Solve for x
    x = 173,772,321.32/20,454.05
  6. Step 6: Final answer
    x = 8,495.74

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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.