Home / 19,712.42-27,203.45-11,214.34

Finding the Fourth Proportional to 19,712.42, 27,203.45 and 11,214.34

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Solution

The fourth proportional to 19,712.42, 27,203.45 and 11,214.34 is: 15,475.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,712.42 : 27,203.45 = 11,214.34 : x
  2. Step 2: Convert to fraction form
    19,712.42/27,203.45 = 11,214.34/x
  3. Step 3: Cross multiply
    19,712.42x = 27,203.45 × 11,214.34
  4. Step 4: Simplify right side
    19,712.42x = 305,068,737.47
  5. Step 5: Solve for x
    x = 305,068,737.47/19,712.42
  6. Step 6: Final answer
    x = 15,475.97

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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.