Home / 18,389.14-25,376.65-10,322.99

Finding the Fourth Proportional to 18,389.14, 25,376.65 and 10,322.99

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Solution

The fourth proportional to 18,389.14, 25,376.65 and 10,322.99 is: 14,245.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,389.14 : 25,376.65 = 10,322.99 : x
  2. Step 2: Convert to fraction form
    18,389.14/25,376.65 = 10,322.99/x
  3. Step 3: Cross multiply
    18,389.14x = 25,376.65 × 10,322.99
  4. Step 4: Simplify right side
    18,389.14x = 261,962,847.87
  5. Step 5: Solve for x
    x = 261,962,847.87/18,389.14
  6. Step 6: Final answer
    x = 14,245.52

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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.