Home / 13,788.93-20,670.57-5,021.85

Finding the Fourth Proportional to 13,788.93, 20,670.57 and 5,021.85

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Solution

The fourth proportional to 13,788.93, 20,670.57 and 5,021.85 is: 7,528.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,788.93 : 20,670.57 = 5,021.85 : x
  2. Step 2: Convert to fraction form
    13,788.93/20,670.57 = 5,021.85/x
  3. Step 3: Cross multiply
    13,788.93x = 20,670.57 × 5,021.85
  4. Step 4: Simplify right side
    13,788.93x = 103,804,501.95
  5. Step 5: Solve for x
    x = 103,804,501.95/13,788.93
  6. Step 6: Final answer
    x = 7,528.10

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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.