Home / 19,677.64-27,148.98-11,717.32

Finding the Fourth Proportional to 19,677.64, 27,148.98 and 11,717.32

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Solution

The fourth proportional to 19,677.64, 27,148.98 and 11,717.32 is: 16,166.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,677.64 : 27,148.98 = 11,717.32 : x
  2. Step 2: Convert to fraction form
    19,677.64/27,148.98 = 11,717.32/x
  3. Step 3: Cross multiply
    19,677.64x = 27,148.98 × 11,717.32
  4. Step 4: Simplify right side
    19,677.64x = 318,113,286.33
  5. Step 5: Solve for x
    x = 318,113,286.33/19,677.64
  6. Step 6: Final answer
    x = 16,166.23

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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.