Home / 19,979.48-29,977.86-10,734.68

Finding the Fourth Proportional to 19,979.48, 29,977.86 and 10,734.68

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Solution

The fourth proportional to 19,979.48, 29,977.86 and 10,734.68 is: 16,106.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,979.48 : 29,977.86 = 10,734.68 : x
  2. Step 2: Convert to fraction form
    19,979.48/29,977.86 = 10,734.68/x
  3. Step 3: Cross multiply
    19,979.48x = 29,977.86 × 10,734.68
  4. Step 4: Simplify right side
    19,979.48x = 321,802,734.18
  5. Step 5: Solve for x
    x = 321,802,734.18/19,979.48
  6. Step 6: Final answer
    x = 16,106.66

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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.