Home / 30,194.10-45,273.42-9,127.80

Finding the Fourth Proportional to 30,194.10, 45,273.42 and 9,127.80

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Solution

The fourth proportional to 30,194.10, 45,273.42 and 9,127.80 is: 13,686.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,194.10 : 45,273.42 = 9,127.80 : x
  2. Step 2: Convert to fraction form
    30,194.10/45,273.42 = 9,127.80/x
  3. Step 3: Cross multiply
    30,194.10x = 45,273.42 × 9,127.80
  4. Step 4: Simplify right side
    30,194.10x = 413,246,723.08
  5. Step 5: Solve for x
    x = 413,246,723.08/30,194.10
  6. Step 6: Final answer
    x = 13,686.34

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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.