Home / 18,811.06-25,958.88-10,313.20

Finding the Fourth Proportional to 18,811.06, 25,958.88 and 10,313.20

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Solution

The fourth proportional to 18,811.06, 25,958.88 and 10,313.20 is: 14,232.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,811.06 : 25,958.88 = 10,313.20 : x
  2. Step 2: Convert to fraction form
    18,811.06/25,958.88 = 10,313.20/x
  3. Step 3: Cross multiply
    18,811.06x = 25,958.88 × 10,313.20
  4. Step 4: Simplify right side
    18,811.06x = 267,718,991.42
  5. Step 5: Solve for x
    x = 267,718,991.42/18,811.06
  6. Step 6: Final answer
    x = 14,232.00

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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.