Home / 13,817.80-19,068.34-7,530.04

Finding the Fourth Proportional to 13,817.80, 19,068.34 and 7,530.04

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Solution

The fourth proportional to 13,817.80, 19,068.34 and 7,530.04 is: 10,391.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,817.80 : 19,068.34 = 7,530.04 : x
  2. Step 2: Convert to fraction form
    13,817.80/19,068.34 = 7,530.04/x
  3. Step 3: Cross multiply
    13,817.80x = 19,068.34 × 7,530.04
  4. Step 4: Simplify right side
    13,817.80x = 143,585,362.93
  5. Step 5: Solve for x
    x = 143,585,362.93/13,817.80
  6. Step 6: Final answer
    x = 10,391.33

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.