Home / 20,021.02-30,035.76-6,869.86

Finding the Fourth Proportional to 20,021.02, 30,035.76 and 6,869.86

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Solution

The fourth proportional to 20,021.02, 30,035.76 and 6,869.86 is: 10,306.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,021.02 : 30,035.76 = 6,869.86 : x
  2. Step 2: Convert to fraction form
    20,021.02/30,035.76 = 6,869.86/x
  3. Step 3: Cross multiply
    20,021.02x = 30,035.76 × 6,869.86
  4. Step 4: Simplify right side
    20,021.02x = 206,341,466.19
  5. Step 5: Solve for x
    x = 206,341,466.19/20,021.02
  6. Step 6: Final answer
    x = 10,306.24

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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.