Home / 18,515.45-25,551.26-10,017.60

Finding the Fourth Proportional to 18,515.45, 25,551.26 and 10,017.60

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Solution

The fourth proportional to 18,515.45, 25,551.26 and 10,017.60 is: 13,824.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,515.45 : 25,551.26 = 10,017.60 : x
  2. Step 2: Convert to fraction form
    18,515.45/25,551.26 = 10,017.60/x
  3. Step 3: Cross multiply
    18,515.45x = 25,551.26 × 10,017.60
  4. Step 4: Simplify right side
    18,515.45x = 255,962,124.33
  5. Step 5: Solve for x
    x = 255,962,124.33/18,515.45
  6. Step 6: Final answer
    x = 13,824.25

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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.