Home / 15,383.74-21,230.00-8,669.00

Finding the Fourth Proportional to 15,383.74, 21,230.00 and 8,669.00

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Solution

The fourth proportional to 15,383.74, 21,230.00 and 8,669.00 is: 11,963.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,383.74 : 21,230.00 = 8,669.00 : x
  2. Step 2: Convert to fraction form
    15,383.74/21,230.00 = 8,669.00/x
  3. Step 3: Cross multiply
    15,383.74x = 21,230.00 × 8,669.00
  4. Step 4: Simplify right side
    15,383.74x = 184,042,785.52
  5. Step 5: Solve for x
    x = 184,042,785.52/15,383.74
  6. Step 6: Final answer
    x = 11,963.46

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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.