Home / 15,897.36-21,939.40-9,183.27

Finding the Fourth Proportional to 15,897.36, 21,939.40 and 9,183.27

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Solution

The fourth proportional to 15,897.36, 21,939.40 and 9,183.27 is: 12,673.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,897.36 : 21,939.40 = 9,183.27 : x
  2. Step 2: Convert to fraction form
    15,897.36/21,939.40 = 9,183.27/x
  3. Step 3: Cross multiply
    15,897.36x = 21,939.40 × 9,183.27
  4. Step 4: Simplify right side
    15,897.36x = 201,475,433.84
  5. Step 5: Solve for x
    x = 201,475,433.84/15,897.36
  6. Step 6: Final answer
    x = 12,673.52

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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.