Home / 13,272.72-19,909.08-4,038.80

Finding the Fourth Proportional to 13,272.72, 19,909.08 and 4,038.80

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Solution

The fourth proportional to 13,272.72, 19,909.08 and 4,038.80 is: 6,058.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,272.72 : 19,909.08 = 4,038.80 : x
  2. Step 2: Convert to fraction form
    13,272.72/19,909.08 = 4,038.80/x
  3. Step 3: Cross multiply
    13,272.72x = 19,909.08 × 4,038.80
  4. Step 4: Simplify right side
    13,272.72x = 80,408,792.30
  5. Step 5: Solve for x
    x = 80,408,792.30/13,272.72
  6. Step 6: Final answer
    x = 6,058.20

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.