Home / 16,815.47-25,223.20-7,808.67

Finding the Fourth Proportional to 16,815.47, 25,223.20 and 7,808.67

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Solution

The fourth proportional to 16,815.47, 25,223.20 and 7,808.67 is: 11,713.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,815.47 : 25,223.20 = 7,808.67 : x
  2. Step 2: Convert to fraction form
    16,815.47/25,223.20 = 7,808.67/x
  3. Step 3: Cross multiply
    16,815.47x = 25,223.20 × 7,808.67
  4. Step 4: Simplify right side
    16,815.47x = 196,959,625.62
  5. Step 5: Solve for x
    x = 196,959,625.62/16,815.47
  6. Step 6: Final answer
    x = 11,713.01

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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.