Home / 19,119.06-26,381.61-10,620.54

Finding the Fourth Proportional to 19,119.06, 26,381.61 and 10,620.54

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Solution

The fourth proportional to 19,119.06, 26,381.61 and 10,620.54 is: 14,654.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,119.06 : 26,381.61 = 10,620.54 : x
  2. Step 2: Convert to fraction form
    19,119.06/26,381.61 = 10,620.54/x
  3. Step 3: Cross multiply
    19,119.06x = 26,381.61 × 10,620.54
  4. Step 4: Simplify right side
    19,119.06x = 280,186,944.27
  5. Step 5: Solve for x
    x = 280,186,944.27/19,119.06
  6. Step 6: Final answer
    x = 14,654.85

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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.