Home / 15,174.07-20,940.41-8,802.14

Finding the Fourth Proportional to 15,174.07, 20,940.41 and 8,802.14

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Solution

The fourth proportional to 15,174.07, 20,940.41 and 8,802.14 is: 12,147.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,174.07 : 20,940.41 = 8,802.14 : x
  2. Step 2: Convert to fraction form
    15,174.07/20,940.41 = 8,802.14/x
  3. Step 3: Cross multiply
    15,174.07x = 20,940.41 × 8,802.14
  4. Step 4: Simplify right side
    15,174.07x = 184,320,376.47
  5. Step 5: Solve for x
    x = 184,320,376.47/15,174.07
  6. Step 6: Final answer
    x = 12,147.06

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1.5x scale

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.