Home / 18,240.72-27,308.44-10,721.52

Finding the Fourth Proportional to 18,240.72, 27,308.44 and 10,721.52

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Solution

The fourth proportional to 18,240.72, 27,308.44 and 10,721.52 is: 16,051.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,240.72 : 27,308.44 = 10,721.52 : x
  2. Step 2: Convert to fraction form
    18,240.72/27,308.44 = 10,721.52/x
  3. Step 3: Cross multiply
    18,240.72x = 27,308.44 × 10,721.52
  4. Step 4: Simplify right side
    18,240.72x = 292,787,985.63
  5. Step 5: Solve for x
    x = 292,787,985.63/18,240.72
  6. Step 6: Final answer
    x = 16,051.34

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1.5x scale

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.