Home / 18,806.07-25,946.28-11,149.95

Finding the Fourth Proportional to 18,806.07, 25,946.28 and 11,149.95

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Solution

The fourth proportional to 18,806.07, 25,946.28 and 11,149.95 is: 15,383.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,806.07 : 25,946.28 = 11,149.95 : x
  2. Step 2: Convert to fraction form
    18,806.07/25,946.28 = 11,149.95/x
  3. Step 3: Cross multiply
    18,806.07x = 25,946.28 × 11,149.95
  4. Step 4: Simplify right side
    18,806.07x = 289,299,724.69
  5. Step 5: Solve for x
    x = 289,299,724.69/18,806.07
  6. Step 6: Final answer
    x = 15,383.32

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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.