Home / 18,739.19-25,861.55-10,673.18

Finding the Fourth Proportional to 18,739.19, 25,861.55 and 10,673.18

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Solution

The fourth proportional to 18,739.19, 25,861.55 and 10,673.18 is: 14,729.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,739.19 : 25,861.55 = 10,673.18 : x
  2. Step 2: Convert to fraction form
    18,739.19/25,861.55 = 10,673.18/x
  3. Step 3: Cross multiply
    18,739.19x = 25,861.55 × 10,673.18
  4. Step 4: Simplify right side
    18,739.19x = 276,024,795.56
  5. Step 5: Solve for x
    x = 276,024,795.56/18,739.19
  6. Step 6: Final answer
    x = 14,729.82

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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.