Home / 18,243.77-25,176.42-9,860.27

Finding the Fourth Proportional to 18,243.77, 25,176.42 and 9,860.27

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Solution

The fourth proportional to 18,243.77, 25,176.42 and 9,860.27 is: 13,607.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,243.77 : 25,176.42 = 9,860.27 : x
  2. Step 2: Convert to fraction form
    18,243.77/25,176.42 = 9,860.27/x
  3. Step 3: Cross multiply
    18,243.77x = 25,176.42 × 9,860.27
  4. Step 4: Simplify right side
    18,243.77x = 248,246,172.95
  5. Step 5: Solve for x
    x = 248,246,172.95/18,243.77
  6. Step 6: Final answer
    x = 13,607.18

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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.