Home / 13,320.04-18,382.86-8,014

Finding the Fourth Proportional to 13,320.04, 18,382.86 and 8,014

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Solution

The fourth proportional to 13,320.04, 18,382.86 and 8,014 is: 11,060.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,320.04 : 18,382.86 = 8,014 : x
  2. Step 2: Convert to fraction form
    13,320.04/18,382.86 = 8,014/x
  3. Step 3: Cross multiply
    13,320.04x = 18,382.86 × 8,014
  4. Step 4: Simplify right side
    13,320.04x = 147,320,240.04
  5. Step 5: Solve for x
    x = 147,320,240.04/13,320.04
  6. Step 6: Final answer
    x = 11,060.04

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.