Home / 18,401.25-25,393.73-10,017.75

Finding the Fourth Proportional to 18,401.25, 25,393.73 and 10,017.75

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Solution

The fourth proportional to 18,401.25, 25,393.73 and 10,017.75 is: 13,824.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,401.25 : 25,393.73 = 10,017.75 : x
  2. Step 2: Convert to fraction form
    18,401.25/25,393.73 = 10,017.75/x
  3. Step 3: Cross multiply
    18,401.25x = 25,393.73 × 10,017.75
  4. Step 4: Simplify right side
    18,401.25x = 254,388,038.71
  5. Step 5: Solve for x
    x = 254,388,038.71/18,401.25
  6. Step 6: Final answer
    x = 13,824.50

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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.