Home / 20,506.37-30,761.24-5,715.36

Finding the Fourth Proportional to 20,506.37, 30,761.24 and 5,715.36

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Solution

The fourth proportional to 20,506.37, 30,761.24 and 5,715.36 is: 8,573.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,506.37 : 30,761.24 = 5,715.36 : x
  2. Step 2: Convert to fraction form
    20,506.37/30,761.24 = 5,715.36/x
  3. Step 3: Cross multiply
    20,506.37x = 30,761.24 × 5,715.36
  4. Step 4: Simplify right side
    20,506.37x = 175,811,532.07
  5. Step 5: Solve for x
    x = 175,811,532.07/20,506.37
  6. Step 6: Final answer
    x = 8,573.51

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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.