Home / 20,530.96-30,793.77-6,492.40

Finding the Fourth Proportional to 20,530.96, 30,793.77 and 6,492.40

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Solution

The fourth proportional to 20,530.96, 30,793.77 and 6,492.40 is: 9,737.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,530.96 : 30,793.77 = 6,492.40 : x
  2. Step 2: Convert to fraction form
    20,530.96/30,793.77 = 6,492.40/x
  3. Step 3: Cross multiply
    20,530.96x = 30,793.77 × 6,492.40
  4. Step 4: Simplify right side
    20,530.96x = 199,925,472.35
  5. Step 5: Solve for x
    x = 199,925,472.35/20,530.96
  6. Step 6: Final answer
    x = 9,737.76

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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.