Home / 20,284.22-30,426.37-7,133.54

Finding the Fourth Proportional to 20,284.22, 30,426.37 and 7,133.54

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Solution

The fourth proportional to 20,284.22, 30,426.37 and 7,133.54 is: 10,700.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,284.22 : 30,426.37 = 7,133.54 : x
  2. Step 2: Convert to fraction form
    20,284.22/30,426.37 = 7,133.54/x
  3. Step 3: Cross multiply
    20,284.22x = 30,426.37 × 7,133.54
  4. Step 4: Simplify right side
    20,284.22x = 217,047,557.48
  5. Step 5: Solve for x
    x = 217,047,557.48/20,284.22
  6. Step 6: Final answer
    x = 10,700.31

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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.