Home / 9,431.36-14,141.62-3,888.53

Finding the Fourth Proportional to 9,431.36, 14,141.62 and 3,888.53

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Solution

The fourth proportional to 9,431.36, 14,141.62 and 3,888.53 is: 5,830.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,431.36 : 14,141.62 = 3,888.53 : x
  2. Step 2: Convert to fraction form
    9,431.36/14,141.62 = 3,888.53/x
  3. Step 3: Cross multiply
    9,431.36x = 14,141.62 × 3,888.53
  4. Step 4: Simplify right side
    9,431.36x = 54,990,113.62
  5. Step 5: Solve for x
    x = 54,990,113.62/9,431.36
  6. Step 6: Final answer
    x = 5,830.56

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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.