Home / 18,811.56-25,959.57-10,313.70

Finding the Fourth Proportional to 18,811.56, 25,959.57 and 10,313.70

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Solution

The fourth proportional to 18,811.56, 25,959.57 and 10,313.70 is: 14,232.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,811.56 : 25,959.57 = 10,313.70 : x
  2. Step 2: Convert to fraction form
    18,811.56/25,959.57 = 10,313.70/x
  3. Step 3: Cross multiply
    18,811.56x = 25,959.57 × 10,313.70
  4. Step 4: Simplify right side
    18,811.56x = 267,739,217.11
  5. Step 5: Solve for x
    x = 267,739,217.11/18,811.56
  6. Step 6: Final answer
    x = 14,232.70

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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.