Home / 18,969.26-26,182.71-11,009.84

Finding the Fourth Proportional to 18,969.26, 26,182.71 and 11,009.84

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Solution

The fourth proportional to 18,969.26, 26,182.71 and 11,009.84 is: 15,196.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,969.26 : 26,182.71 = 11,009.84 : x
  2. Step 2: Convert to fraction form
    18,969.26/26,182.71 = 11,009.84/x
  3. Step 3: Cross multiply
    18,969.26x = 26,182.71 × 11,009.84
  4. Step 4: Simplify right side
    18,969.26x = 288,267,316.95
  5. Step 5: Solve for x
    x = 288,267,316.95/18,969.26
  6. Step 6: Final answer
    x = 15,196.55

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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.