Home / 13,766.73-18,987.51-9,283.38

Finding the Fourth Proportional to 13,766.73, 18,987.51 and 9,283.38

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Solution

The fourth proportional to 13,766.73, 18,987.51 and 9,283.38 is: 12,803.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,766.73 : 18,987.51 = 9,283.38 : x
  2. Step 2: Convert to fraction form
    13,766.73/18,987.51 = 9,283.38/x
  3. Step 3: Cross multiply
    13,766.73x = 18,987.51 × 9,283.38
  4. Step 4: Simplify right side
    13,766.73x = 176,268,270.58
  5. Step 5: Solve for x
    x = 176,268,270.58/13,766.73
  6. Step 6: Final answer
    x = 12,803.93

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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.