Home / 19,670.52-27,145.62-11,172.04

Finding the Fourth Proportional to 19,670.52, 27,145.62 and 11,172.04

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Solution

The fourth proportional to 19,670.52, 27,145.62 and 11,172.04 is: 15,417.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,670.52 : 27,145.62 = 11,172.04 : x
  2. Step 2: Convert to fraction form
    19,670.52/27,145.62 = 11,172.04/x
  3. Step 3: Cross multiply
    19,670.52x = 27,145.62 × 11,172.04
  4. Step 4: Simplify right side
    19,670.52x = 303,271,952.46
  5. Step 5: Solve for x
    x = 303,271,952.46/19,670.52
  6. Step 6: Final answer
    x = 15,417.59

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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.