Home / 19,718.73-27,211.94-10,766.45

Finding the Fourth Proportional to 19,718.73, 27,211.94 and 10,766.45

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Solution

The fourth proportional to 19,718.73, 27,211.94 and 10,766.45 is: 14,857.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,718.73 : 27,211.94 = 10,766.45 : x
  2. Step 2: Convert to fraction form
    19,718.73/27,211.94 = 10,766.45/x
  3. Step 3: Cross multiply
    19,718.73x = 27,211.94 × 10,766.45
  4. Step 4: Simplify right side
    19,718.73x = 292,975,801.52
  5. Step 5: Solve for x
    x = 292,975,801.52/19,718.73
  6. Step 6: Final answer
    x = 14,857.74

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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.