Home / 16,782.20-23,158.22-9,228.34

Finding the Fourth Proportional to 16,782.20, 23,158.22 and 9,228.34

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Solution

The fourth proportional to 16,782.20, 23,158.22 and 9,228.34 is: 12,734.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,782.20 : 23,158.22 = 9,228.34 : x
  2. Step 2: Convert to fraction form
    16,782.20/23,158.22 = 9,228.34/x
  3. Step 3: Cross multiply
    16,782.20x = 23,158.22 × 9,228.34
  4. Step 4: Simplify right side
    16,782.20x = 213,711,927.95
  5. Step 5: Solve for x
    x = 213,711,927.95/16,782.20
  6. Step 6: Final answer
    x = 12,734.44

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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.