Home / 19,718.69-27,212.43-10,766.87

Finding the Fourth Proportional to 19,718.69, 27,212.43 and 10,766.87

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Solution

The fourth proportional to 19,718.69, 27,212.43 and 10,766.87 is: 14,858.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,718.69 : 27,212.43 = 10,766.87 : x
  2. Step 2: Convert to fraction form
    19,718.69/27,212.43 = 10,766.87/x
  3. Step 3: Cross multiply
    19,718.69x = 27,212.43 × 10,766.87
  4. Step 4: Simplify right side
    19,718.69x = 292,992,696.19
  5. Step 5: Solve for x
    x = 292,992,696.19/19,718.69
  6. Step 6: Final answer
    x = 14,858.63

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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.