Home / 13,082.04-19,623.51-5,186.05

Finding the Fourth Proportional to 13,082.04, 19,623.51 and 5,186.05

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Solution

The fourth proportional to 13,082.04, 19,623.51 and 5,186.05 is: 7,779.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,082.04 : 19,623.51 = 5,186.05 : x
  2. Step 2: Convert to fraction form
    13,082.04/19,623.51 = 5,186.05/x
  3. Step 3: Cross multiply
    13,082.04x = 19,623.51 × 5,186.05
  4. Step 4: Simplify right side
    13,082.04x = 101,768,454.98
  5. Step 5: Solve for x
    x = 101,768,454.98/13,082.04
  6. Step 6: Final answer
    x = 7,779.25

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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.