Home / 18,660.36-25,751.25-10,276.86

Finding the Fourth Proportional to 18,660.36, 25,751.25 and 10,276.86

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Solution

The fourth proportional to 18,660.36, 25,751.25 and 10,276.86 is: 14,182.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,660.36 : 25,751.25 = 10,276.86 : x
  2. Step 2: Convert to fraction form
    18,660.36/25,751.25 = 10,276.86/x
  3. Step 3: Cross multiply
    18,660.36x = 25,751.25 × 10,276.86
  4. Step 4: Simplify right side
    18,660.36x = 264,641,991.08
  5. Step 5: Solve for x
    x = 264,641,991.08/18,660.36
  6. Step 6: Final answer
    x = 14,182.04

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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.