Home / 18,629.90-25,708.74-10,246.40

Finding the Fourth Proportional to 18,629.90, 25,708.74 and 10,246.40

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Solution

The fourth proportional to 18,629.90, 25,708.74 and 10,246.40 is: 14,139.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,629.90 : 25,708.74 = 10,246.40 : x
  2. Step 2: Convert to fraction form
    18,629.90/25,708.74 = 10,246.40/x
  3. Step 3: Cross multiply
    18,629.90x = 25,708.74 × 10,246.40
  4. Step 4: Simplify right side
    18,629.90x = 263,422,033.54
  5. Step 5: Solve for x
    x = 263,422,033.54/18,629.90
  6. Step 6: Final answer
    x = 14,139.74

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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.