Home / 13,130.00-19,690.74-4,362.56

Finding the Fourth Proportional to 13,130.00, 19,690.74 and 4,362.56

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Solution

The fourth proportional to 13,130.00, 19,690.74 and 4,362.56 is: 6,542.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,130.00 : 19,690.74 = 4,362.56 : x
  2. Step 2: Convert to fraction form
    13,130.00/19,690.74 = 4,362.56/x
  3. Step 3: Cross multiply
    13,130.00x = 19,690.74 × 4,362.56
  4. Step 4: Simplify right side
    13,130.00x = 85,901,936.24
  5. Step 5: Solve for x
    x = 85,901,936.24/13,130.00
  6. Step 6: Final answer
    x = 6,542.42

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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.