Home / 19,851.27-27,395.40-11,467.77

Finding the Fourth Proportional to 19,851.27, 27,395.40 and 11,467.77

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Solution

The fourth proportional to 19,851.27, 27,395.40 and 11,467.77 is: 15,825.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,851.27 : 27,395.40 = 11,467.77 : x
  2. Step 2: Convert to fraction form
    19,851.27/27,395.40 = 11,467.77/x
  3. Step 3: Cross multiply
    19,851.27x = 27,395.40 × 11,467.77
  4. Step 4: Simplify right side
    19,851.27x = 314,164,146.26
  5. Step 5: Solve for x
    x = 314,164,146.26/19,851.27
  6. Step 6: Final answer
    x = 15,825.90

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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.