Home / 18,158.06-25,059.49-11,085.86

Finding the Fourth Proportional to 18,158.06, 25,059.49 and 11,085.86

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Solution

The fourth proportional to 18,158.06, 25,059.49 and 11,085.86 is: 15,299.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,158.06 : 25,059.49 = 11,085.86 : x
  2. Step 2: Convert to fraction form
    18,158.06/25,059.49 = 11,085.86/x
  3. Step 3: Cross multiply
    18,158.06x = 25,059.49 × 11,085.86
  4. Step 4: Simplify right side
    18,158.06x = 277,806,032.75
  5. Step 5: Solve for x
    x = 277,806,032.75/18,158.06
  6. Step 6: Final answer
    x = 15,299.32

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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.