Home / 16,907.40-23,330.16-9,353.22

Finding the Fourth Proportional to 16,907.40, 23,330.16 and 9,353.22

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Solution

The fourth proportional to 16,907.40, 23,330.16 and 9,353.22 is: 12,906.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,907.40 : 23,330.16 = 9,353.22 : x
  2. Step 2: Convert to fraction form
    16,907.40/23,330.16 = 9,353.22/x
  3. Step 3: Cross multiply
    16,907.40x = 23,330.16 × 9,353.22
  4. Step 4: Simplify right side
    16,907.40x = 218,212,119.12
  5. Step 5: Solve for x
    x = 218,212,119.12/16,907.40
  6. Step 6: Final answer
    x = 12,906.31

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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.