Home / 16,870.66-25,321.44-8,556.42

Finding the Fourth Proportional to 16,870.66, 25,321.44 and 8,556.42

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Solution

The fourth proportional to 16,870.66, 25,321.44 and 8,556.42 is: 12,842.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,870.66 : 25,321.44 = 8,556.42 : x
  2. Step 2: Convert to fraction form
    16,870.66/25,321.44 = 8,556.42/x
  3. Step 3: Cross multiply
    16,870.66x = 25,321.44 × 8,556.42
  4. Step 4: Simplify right side
    16,870.66x = 216,660,875.64
  5. Step 5: Solve for x
    x = 216,660,875.64/16,870.66
  6. Step 6: Final answer
    x = 12,842.47

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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.