Home / 20,146.02-30,218.99-5,354.93

Finding the Fourth Proportional to 20,146.02, 30,218.99 and 5,354.93

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Solution

The fourth proportional to 20,146.02, 30,218.99 and 5,354.93 is: 8,032.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,146.02 : 30,218.99 = 5,354.93 : x
  2. Step 2: Convert to fraction form
    20,146.02/30,218.99 = 5,354.93/x
  3. Step 3: Cross multiply
    20,146.02x = 30,218.99 × 5,354.93
  4. Step 4: Simplify right side
    20,146.02x = 161,820,644.97
  5. Step 5: Solve for x
    x = 161,820,644.97/20,146.02
  6. Step 6: Final answer
    x = 8,032.39

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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.