Home / 20,387.33-30,573.66-7,056.70

Finding the Fourth Proportional to 20,387.33, 30,573.66 and 7,056.70

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Solution

The fourth proportional to 20,387.33, 30,573.66 and 7,056.70 is: 10,582.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,387.33 : 30,573.66 = 7,056.70 : x
  2. Step 2: Convert to fraction form
    20,387.33/30,573.66 = 7,056.70/x
  3. Step 3: Cross multiply
    20,387.33x = 30,573.66 × 7,056.70
  4. Step 4: Simplify right side
    20,387.33x = 215,749,261.17
  5. Step 5: Solve for x
    x = 215,749,261.17/20,387.33
  6. Step 6: Final answer
    x = 10,582.52

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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.