Home / 19,141.47-28,712.21-5,994.87

Finding the Fourth Proportional to 19,141.47, 28,712.21 and 5,994.87

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Solution

The fourth proportional to 19,141.47, 28,712.21 and 5,994.87 is: 8,992.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,141.47 : 28,712.21 = 5,994.87 : x
  2. Step 2: Convert to fraction form
    19,141.47/28,712.21 = 5,994.87/x
  3. Step 3: Cross multiply
    19,141.47x = 28,712.21 × 5,994.87
  4. Step 4: Simplify right side
    19,141.47x = 172,125,936.39
  5. Step 5: Solve for x
    x = 172,125,936.39/19,141.47
  6. Step 6: Final answer
    x = 8,992.31

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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.