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Finding the Fourth Proportional to 13,176.60, 19,767.60 and 4,417.80

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Solution

The fourth proportional to 13,176.60, 19,767.60 and 4,417.80 is: 6,627.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,176.60 : 19,767.60 = 4,417.80 : x
  2. Step 2: Convert to fraction form
    13,176.60/19,767.60 = 4,417.80/x
  3. Step 3: Cross multiply
    13,176.60x = 19,767.60 × 4,417.80
  4. Step 4: Simplify right side
    13,176.60x = 87,329,303.28
  5. Step 5: Solve for x
    x = 87,329,303.28/13,176.60
  6. Step 6: Final answer
    x = 6,627.61

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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.