Home / 19,646.24-27,114.62-11,150.47

Finding the Fourth Proportional to 19,646.24, 27,114.62 and 11,150.47

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Solution

The fourth proportional to 19,646.24, 27,114.62 and 11,150.47 is: 15,389.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,646.24 : 27,114.62 = 11,150.47 : x
  2. Step 2: Convert to fraction form
    19,646.24/27,114.62 = 11,150.47/x
  3. Step 3: Cross multiply
    19,646.24x = 27,114.62 × 11,150.47
  4. Step 4: Simplify right side
    19,646.24x = 302,340,633.33
  5. Step 5: Solve for x
    x = 302,340,633.33/19,646.24
  6. Step 6: Final answer
    x = 15,389.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.