Home / 13,130.08-19,696.01-3,769.38

Finding the Fourth Proportional to 13,130.08, 19,696.01 and 3,769.38

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Solution

The fourth proportional to 13,130.08, 19,696.01 and 3,769.38 is: 5,654.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,130.08 : 19,696.01 = 3,769.38 : x
  2. Step 2: Convert to fraction form
    13,130.08/19,696.01 = 3,769.38/x
  3. Step 3: Cross multiply
    13,130.08x = 19,696.01 × 3,769.38
  4. Step 4: Simplify right side
    13,130.08x = 74,241,681.74
  5. Step 5: Solve for x
    x = 74,241,681.74/13,130.08
  6. Step 6: Final answer
    x = 5,654.32

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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.