Home / 20,146.06-30,208.66-9,043.19

Finding the Fourth Proportional to 20,146.06, 30,208.66 and 9,043.19

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Solution

The fourth proportional to 20,146.06, 30,208.66 and 9,043.19 is: 13,560.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,146.06 : 30,208.66 = 9,043.19 : x
  2. Step 2: Convert to fraction form
    20,146.06/30,208.66 = 9,043.19/x
  3. Step 3: Cross multiply
    20,146.06x = 30,208.66 × 9,043.19
  4. Step 4: Simplify right side
    20,146.06x = 273,182,478.37
  5. Step 5: Solve for x
    x = 273,182,478.37/20,146.06
  6. Step 6: Final answer
    x = 13,560.10

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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.