Home / 16,440.89-22,688.44-9,367.31

Finding the Fourth Proportional to 16,440.89, 22,688.44 and 9,367.31

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Solution

The fourth proportional to 16,440.89, 22,688.44 and 9,367.31 is: 12,926.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,440.89 : 22,688.44 = 9,367.31 : x
  2. Step 2: Convert to fraction form
    16,440.89/22,688.44 = 9,367.31/x
  3. Step 3: Cross multiply
    16,440.89x = 22,688.44 × 9,367.31
  4. Step 4: Simplify right side
    16,440.89x = 212,529,684.20
  5. Step 5: Solve for x
    x = 212,529,684.20/16,440.89
  6. Step 6: Final answer
    x = 12,926.90

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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.