Home / 20,219.24-30,332.16-6,365

Finding the Fourth Proportional to 20,219.24, 30,332.16 and 6,365

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Solution

The fourth proportional to 20,219.24, 30,332.16 and 6,365 is: 9,548.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,219.24 : 30,332.16 = 6,365 : x
  2. Step 2: Convert to fraction form
    20,219.24/30,332.16 = 6,365/x
  3. Step 3: Cross multiply
    20,219.24x = 30,332.16 × 6,365
  4. Step 4: Simplify right side
    20,219.24x = 193,064,198.40
  5. Step 5: Solve for x
    x = 193,064,198.40/20,219.24
  6. Step 6: Final answer
    x = 9,548.54

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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.