Home / 8,782.03-13,182.33-8,583.72

Finding the Fourth Proportional to 8,782.03, 13,182.33 and 8,583.72

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Solution

The fourth proportional to 8,782.03, 13,182.33 and 8,583.72 is: 12,884.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,782.03 : 13,182.33 = 8,583.72 : x
  2. Step 2: Convert to fraction form
    8,782.03/13,182.33 = 8,583.72/x
  3. Step 3: Cross multiply
    8,782.03x = 13,182.33 × 8,583.72
  4. Step 4: Simplify right side
    8,782.03x = 113,153,386.75
  5. Step 5: Solve for x
    x = 113,153,386.75/8,782.03
  6. Step 6: Final answer
    x = 12,884.65

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Why These Related Problems?

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