Home / 19,011.94-28,498.77-7,924.76

Finding the Fourth Proportional to 19,011.94, 28,498.77 and 7,924.76

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Solution

The fourth proportional to 19,011.94, 28,498.77 and 7,924.76 is: 11,879.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,011.94 : 28,498.77 = 7,924.76 : x
  2. Step 2: Convert to fraction form
    19,011.94/28,498.77 = 7,924.76/x
  3. Step 3: Cross multiply
    19,011.94x = 28,498.77 × 7,924.76
  4. Step 4: Simplify right side
    19,011.94x = 225,845,983.79
  5. Step 5: Solve for x
    x = 225,845,983.79/19,011.94
  6. Step 6: Final answer
    x = 11,879.17

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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.