Home / 18,923.96-26,089.62-13,251.08

Finding the Fourth Proportional to 18,923.96, 26,089.62 and 13,251.08

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Solution

The fourth proportional to 18,923.96, 26,089.62 and 13,251.08 is: 18,268.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,923.96 : 26,089.62 = 13,251.08 : x
  2. Step 2: Convert to fraction form
    18,923.96/26,089.62 = 13,251.08/x
  3. Step 3: Cross multiply
    18,923.96x = 26,089.62 × 13,251.08
  4. Step 4: Simplify right side
    18,923.96x = 345,715,641.79
  5. Step 5: Solve for x
    x = 345,715,641.79/18,923.96
  6. Step 6: Final answer
    x = 18,268.67

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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.