Home / 20,423.02-30,623.68-7,092.66

Finding the Fourth Proportional to 20,423.02, 30,623.68 and 7,092.66

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Solution

The fourth proportional to 20,423.02, 30,623.68 and 7,092.66 is: 10,635.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,423.02 : 30,623.68 = 7,092.66 : x
  2. Step 2: Convert to fraction form
    20,423.02/30,623.68 = 7,092.66/x
  3. Step 3: Cross multiply
    20,423.02x = 30,623.68 × 7,092.66
  4. Step 4: Simplify right side
    20,423.02x = 217,203,350.19
  5. Step 5: Solve for x
    x = 217,203,350.19/20,423.02
  6. Step 6: Final answer
    x = 10,635.22

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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.