Home / 20,137.07-30,203.27-5,347.15

Finding the Fourth Proportional to 20,137.07, 30,203.27 and 5,347.15

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Solution

The fourth proportional to 20,137.07, 30,203.27 and 5,347.15 is: 8,020.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,137.07 : 30,203.27 = 5,347.15 : x
  2. Step 2: Convert to fraction form
    20,137.07/30,203.27 = 5,347.15/x
  3. Step 3: Cross multiply
    20,137.07x = 30,203.27 × 5,347.15
  4. Step 4: Simplify right side
    20,137.07x = 161,501,348.03
  5. Step 5: Solve for x
    x = 161,501,348.03/20,137.07
  6. Step 6: Final answer
    x = 8,020.10

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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.