Home / 10,464.14-15,690.31-3,442.26

Finding the Fourth Proportional to 10,464.14, 15,690.31 and 3,442.26

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Solution

The fourth proportional to 10,464.14, 15,690.31 and 3,442.26 is: 5,161.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,464.14 : 15,690.31 = 3,442.26 : x
  2. Step 2: Convert to fraction form
    10,464.14/15,690.31 = 3,442.26/x
  3. Step 3: Cross multiply
    10,464.14x = 15,690.31 × 3,442.26
  4. Step 4: Simplify right side
    10,464.14x = 54,010,126.50
  5. Step 5: Solve for x
    x = 54,010,126.50/10,464.14
  6. Step 6: Final answer
    x = 5,161.45

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1.5x scale

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.