Home / 18,660.36-25,751.26-10,276.84

Finding the Fourth Proportional to 18,660.36, 25,751.26 and 10,276.84

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Solution

The fourth proportional to 18,660.36, 25,751.26 and 10,276.84 is: 14,182.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,660.36 : 25,751.26 = 10,276.84 : x
  2. Step 2: Convert to fraction form
    18,660.36/25,751.26 = 10,276.84/x
  3. Step 3: Cross multiply
    18,660.36x = 25,751.26 × 10,276.84
  4. Step 4: Simplify right side
    18,660.36x = 264,641,578.82
  5. Step 5: Solve for x
    x = 264,641,578.82/18,660.36
  6. Step 6: Final answer
    x = 14,182.02

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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.