Home / 16,783.85-23,162.31-9,615.05

Finding the Fourth Proportional to 16,783.85, 23,162.31 and 9,615.05

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Solution

The fourth proportional to 16,783.85, 23,162.31 and 9,615.05 is: 13,269.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,783.85 : 23,162.31 = 9,615.05 : x
  2. Step 2: Convert to fraction form
    16,783.85/23,162.31 = 9,615.05/x
  3. Step 3: Cross multiply
    16,783.85x = 23,162.31 × 9,615.05
  4. Step 4: Simplify right side
    16,783.85x = 222,706,604.88
  5. Step 5: Solve for x
    x = 222,706,604.88/16,783.85
  6. Step 6: Final answer
    x = 13,269.11

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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.