Home / 10,284.45-15,414.31-4,730.14

Finding the Fourth Proportional to 10,284.45, 15,414.31 and 4,730.14

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Solution

The fourth proportional to 10,284.45, 15,414.31 and 4,730.14 is: 7,089.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,284.45 : 15,414.31 = 4,730.14 : x
  2. Step 2: Convert to fraction form
    10,284.45/15,414.31 = 4,730.14/x
  3. Step 3: Cross multiply
    10,284.45x = 15,414.31 × 4,730.14
  4. Step 4: Simplify right side
    10,284.45x = 72,911,844.30
  5. Step 5: Solve for x
    x = 72,911,844.30/10,284.45
  6. Step 6: Final answer
    x = 7,089.52

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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.