Home / 13,058.33-18,013.77-8,270.24

Finding the Fourth Proportional to 13,058.33, 18,013.77 and 8,270.24

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Solution

The fourth proportional to 13,058.33, 18,013.77 and 8,270.24 is: 11,408.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,058.33 : 18,013.77 = 8,270.24 : x
  2. Step 2: Convert to fraction form
    13,058.33/18,013.77 = 8,270.24/x
  3. Step 3: Cross multiply
    13,058.33x = 18,013.77 × 8,270.24
  4. Step 4: Simplify right side
    13,058.33x = 148,978,111.14
  5. Step 5: Solve for x
    x = 148,978,111.14/13,058.33
  6. Step 6: Final answer
    x = 11,408.67

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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.