Home / 22,735.21-31,376.16-13,783.09

Finding the Fourth Proportional to 22,735.21, 31,376.16 and 13,783.09

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Solution

The fourth proportional to 22,735.21, 31,376.16 and 13,783.09 is: 19,021.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,735.21 : 31,376.16 = 13,783.09 : x
  2. Step 2: Convert to fraction form
    22,735.21/31,376.16 = 13,783.09/x
  3. Step 3: Cross multiply
    22,735.21x = 31,376.16 × 13,783.09
  4. Step 4: Simplify right side
    22,735.21x = 432,460,211.34
  5. Step 5: Solve for x
    x = 432,460,211.34/22,735.21
  6. Step 6: Final answer
    x = 19,021.61

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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.