Home / 14,148.30-19,525.20-7,775.43

Finding the Fourth Proportional to 14,148.30, 19,525.20 and 7,775.43

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Solution

The fourth proportional to 14,148.30, 19,525.20 and 7,775.43 is: 10,730.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,148.30 : 19,525.20 = 7,775.43 : x
  2. Step 2: Convert to fraction form
    14,148.30/19,525.20 = 7,775.43/x
  3. Step 3: Cross multiply
    14,148.30x = 19,525.20 × 7,775.43
  4. Step 4: Simplify right side
    14,148.30x = 151,816,825.84
  5. Step 5: Solve for x
    x = 151,816,825.84/14,148.30
  6. Step 6: Final answer
    x = 10,730.39

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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.