Home / 13,817.64-19,068.37-7,530.02

Finding the Fourth Proportional to 13,817.64, 19,068.37 and 7,530.02

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Solution

The fourth proportional to 13,817.64, 19,068.37 and 7,530.02 is: 10,391.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,817.64 : 19,068.37 = 7,530.02 : x
  2. Step 2: Convert to fraction form
    13,817.64/19,068.37 = 7,530.02/x
  3. Step 3: Cross multiply
    13,817.64x = 19,068.37 × 7,530.02
  4. Step 4: Simplify right side
    13,817.64x = 143,585,093.30
  5. Step 5: Solve for x
    x = 143,585,093.30/13,817.64
  6. Step 6: Final answer
    x = 10,391.43

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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.