Home / 20,187.26-30,269.90-7,036.10

Finding the Fourth Proportional to 20,187.26, 30,269.90 and 7,036.10

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Solution

The fourth proportional to 20,187.26, 30,269.90 and 7,036.10 is: 10,550.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,187.26 : 30,269.90 = 7,036.10 : x
  2. Step 2: Convert to fraction form
    20,187.26/30,269.90 = 7,036.10/x
  3. Step 3: Cross multiply
    20,187.26x = 30,269.90 × 7,036.10
  4. Step 4: Simplify right side
    20,187.26x = 212,982,043.39
  5. Step 5: Solve for x
    x = 212,982,043.39/20,187.26
  6. Step 6: Final answer
    x = 10,550.32

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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.