Home / 14,408.48-19,885.30-8,360.06

Finding the Fourth Proportional to 14,408.48, 19,885.30 and 8,360.06

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Solution

The fourth proportional to 14,408.48, 19,885.30 and 8,360.06 is: 11,537.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,408.48 : 19,885.30 = 8,360.06 : x
  2. Step 2: Convert to fraction form
    14,408.48/19,885.30 = 8,360.06/x
  3. Step 3: Cross multiply
    14,408.48x = 19,885.30 × 8,360.06
  4. Step 4: Simplify right side
    14,408.48x = 166,242,301.12
  5. Step 5: Solve for x
    x = 166,242,301.12/14,408.48
  6. Step 6: Final answer
    x = 11,537.81

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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.