Home / 18,865.01-26,007.69-15,049.59

Finding the Fourth Proportional to 18,865.01, 26,007.69 and 15,049.59

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Solution

The fourth proportional to 18,865.01, 26,007.69 and 15,049.59 is: 20,747.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,865.01 : 26,007.69 = 15,049.59 : x
  2. Step 2: Convert to fraction form
    18,865.01/26,007.69 = 15,049.59/x
  3. Step 3: Cross multiply
    18,865.01x = 26,007.69 × 15,049.59
  4. Step 4: Simplify right side
    18,865.01x = 391,405,071.35
  5. Step 5: Solve for x
    x = 391,405,071.35/18,865.01
  6. Step 6: Final answer
    x = 20,747.68

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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.