Home / 20,574.14-30,861.34-7,247.48

Finding the Fourth Proportional to 20,574.14, 30,861.34 and 7,247.48

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Solution

The fourth proportional to 20,574.14, 30,861.34 and 7,247.48 is: 10,871.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,574.14 : 30,861.34 = 7,247.48 : x
  2. Step 2: Convert to fraction form
    20,574.14/30,861.34 = 7,247.48/x
  3. Step 3: Cross multiply
    20,574.14x = 30,861.34 × 7,247.48
  4. Step 4: Simplify right side
    20,574.14x = 223,666,772.00
  5. Step 5: Solve for x
    x = 223,666,772.00/20,574.14
  6. Step 6: Final answer
    x = 10,871.26

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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.