Home / 13,346.02-20,006.95-6,321.65

Finding the Fourth Proportional to 13,346.02, 20,006.95 and 6,321.65

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Solution

The fourth proportional to 13,346.02, 20,006.95 and 6,321.65 is: 9,476.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,346.02 : 20,006.95 = 6,321.65 : x
  2. Step 2: Convert to fraction form
    13,346.02/20,006.95 = 6,321.65/x
  3. Step 3: Cross multiply
    13,346.02x = 20,006.95 × 6,321.65
  4. Step 4: Simplify right side
    13,346.02x = 126,476,831.48
  5. Step 5: Solve for x
    x = 126,476,831.48/13,346.02
  6. Step 6: Final answer
    x = 9,476.75

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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.