Home / 18,453.46-25,465.85-10,069.96

Finding the Fourth Proportional to 18,453.46, 25,465.85 and 10,069.96

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Solution

The fourth proportional to 18,453.46, 25,465.85 and 10,069.96 is: 13,896.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,453.46 : 25,465.85 = 10,069.96 : x
  2. Step 2: Convert to fraction form
    18,453.46/25,465.85 = 10,069.96/x
  3. Step 3: Cross multiply
    18,453.46x = 25,465.85 × 10,069.96
  4. Step 4: Simplify right side
    18,453.46x = 256,440,040.52
  5. Step 5: Solve for x
    x = 256,440,040.52/18,453.46
  6. Step 6: Final answer
    x = 13,896.58

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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.