Home / 10,782.38-16,174.48-2,886.08

Finding the Fourth Proportional to 10,782.38, 16,174.48 and 2,886.08

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Solution

The fourth proportional to 10,782.38, 16,174.48 and 2,886.08 is: 4,329.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,782.38 : 16,174.48 = 2,886.08 : x
  2. Step 2: Convert to fraction form
    10,782.38/16,174.48 = 2,886.08/x
  3. Step 3: Cross multiply
    10,782.38x = 16,174.48 × 2,886.08
  4. Step 4: Simplify right side
    10,782.38x = 46,680,843.24
  5. Step 5: Solve for x
    x = 46,680,843.24/10,782.38
  6. Step 6: Final answer
    x = 4,329.36

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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.