Home / 20,406.24-30,606.48-6,363

Finding the Fourth Proportional to 20,406.24, 30,606.48 and 6,363

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Solution

The fourth proportional to 20,406.24, 30,606.48 and 6,363 is: 9,543.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,406.24 : 30,606.48 = 6,363 : x
  2. Step 2: Convert to fraction form
    20,406.24/30,606.48 = 6,363/x
  3. Step 3: Cross multiply
    20,406.24x = 30,606.48 × 6,363
  4. Step 4: Simplify right side
    20,406.24x = 194,749,032.24
  5. Step 5: Solve for x
    x = 194,749,032.24/20,406.24
  6. Step 6: Final answer
    x = 9,543.60

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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.