Home / 20,424.24-30,629.88-6,570

Finding the Fourth Proportional to 20,424.24, 30,629.88 and 6,570

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Solution

The fourth proportional to 20,424.24, 30,629.88 and 6,570 is: 9,852.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,424.24 : 30,629.88 = 6,570 : x
  2. Step 2: Convert to fraction form
    20,424.24/30,629.88 = 6,570/x
  3. Step 3: Cross multiply
    20,424.24x = 30,629.88 × 6,570
  4. Step 4: Simplify right side
    20,424.24x = 201,238,311.60
  5. Step 5: Solve for x
    x = 201,238,311.60/20,424.24
  6. Step 6: Final answer
    x = 9,852.92

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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.