Home / 16,851.33-25,277.10-7,489.15

Finding the Fourth Proportional to 16,851.33, 25,277.10 and 7,489.15

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Solution

The fourth proportional to 16,851.33, 25,277.10 and 7,489.15 is: 11,233.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,851.33 : 25,277.10 = 7,489.15 : x
  2. Step 2: Convert to fraction form
    16,851.33/25,277.10 = 7,489.15/x
  3. Step 3: Cross multiply
    16,851.33x = 25,277.10 × 7,489.15
  4. Step 4: Simplify right side
    16,851.33x = 189,303,993.47
  5. Step 5: Solve for x
    x = 189,303,993.47/16,851.33
  6. Step 6: Final answer
    x = 11,233.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.