Home / 16,989.23-23,442.53-9,435.44

Finding the Fourth Proportional to 16,989.23, 23,442.53 and 9,435.44

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Solution

The fourth proportional to 16,989.23, 23,442.53 and 9,435.44 is: 13,019.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,989.23 : 23,442.53 = 9,435.44 : x
  2. Step 2: Convert to fraction form
    16,989.23/23,442.53 = 9,435.44/x
  3. Step 3: Cross multiply
    16,989.23x = 23,442.53 × 9,435.44
  4. Step 4: Simplify right side
    16,989.23x = 221,190,420.87
  5. Step 5: Solve for x
    x = 221,190,420.87/16,989.23
  6. Step 6: Final answer
    x = 13,019.45

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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.