Home / 19,677.62-27,152.87-11,718.32

Finding the Fourth Proportional to 19,677.62, 27,152.87 and 11,718.32

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Solution

The fourth proportional to 19,677.62, 27,152.87 and 11,718.32 is: 16,169.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,677.62 : 27,152.87 = 11,718.32 : x
  2. Step 2: Convert to fraction form
    19,677.62/27,152.87 = 11,718.32/x
  3. Step 3: Cross multiply
    19,677.62x = 27,152.87 × 11,718.32
  4. Step 4: Simplify right side
    19,677.62x = 318,185,825.22
  5. Step 5: Solve for x
    x = 318,185,825.22/19,677.62
  6. Step 6: Final answer
    x = 16,169.94

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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.