Home / 19,530.83-29,332.49-10,177.31

Finding the Fourth Proportional to 19,530.83, 29,332.49 and 10,177.31

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Solution

The fourth proportional to 19,530.83, 29,332.49 and 10,177.31 is: 15,284.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,530.83 : 29,332.49 = 10,177.31 : x
  2. Step 2: Convert to fraction form
    19,530.83/29,332.49 = 10,177.31/x
  3. Step 3: Cross multiply
    19,530.83x = 29,332.49 × 10,177.31
  4. Step 4: Simplify right side
    19,530.83x = 298,525,646.25
  5. Step 5: Solve for x
    x = 298,525,646.25/19,530.83
  6. Step 6: Final answer
    x = 15,284.85

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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.