Home / 16,907.36-23,330.90-9,353.78

Finding the Fourth Proportional to 16,907.36, 23,330.90 and 9,353.78

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Solution

The fourth proportional to 16,907.36, 23,330.90 and 9,353.78 is: 12,907.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,907.36 : 23,330.90 = 9,353.78 : x
  2. Step 2: Convert to fraction form
    16,907.36/23,330.90 = 9,353.78/x
  3. Step 3: Cross multiply
    16,907.36x = 23,330.90 × 9,353.78
  4. Step 4: Simplify right side
    16,907.36x = 218,232,105.80
  5. Step 5: Solve for x
    x = 218,232,105.80/16,907.36
  6. Step 6: Final answer
    x = 12,907.52

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Double scale
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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.