Home / 18,201.40-25,119.63-10,647.25

Finding the Fourth Proportional to 18,201.40, 25,119.63 and 10,647.25

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Solution

The fourth proportional to 18,201.40, 25,119.63 and 10,647.25 is: 14,694.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,201.40 : 25,119.63 = 10,647.25 : x
  2. Step 2: Convert to fraction form
    18,201.40/25,119.63 = 10,647.25/x
  3. Step 3: Cross multiply
    18,201.40x = 25,119.63 × 10,647.25
  4. Step 4: Simplify right side
    18,201.40x = 267,455,091.65
  5. Step 5: Solve for x
    x = 267,455,091.65/18,201.40
  6. Step 6: Final answer
    x = 14,694.20

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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.