Home / 9,400.65-14,099.21-4,719.40

Finding the Fourth Proportional to 9,400.65, 14,099.21 and 4,719.40

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Solution

The fourth proportional to 9,400.65, 14,099.21 and 4,719.40 is: 7,078.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,400.65 : 14,099.21 = 4,719.40 : x
  2. Step 2: Convert to fraction form
    9,400.65/14,099.21 = 4,719.40/x
  3. Step 3: Cross multiply
    9,400.65x = 14,099.21 × 4,719.40
  4. Step 4: Simplify right side
    9,400.65x = 66,539,811.67
  5. Step 5: Solve for x
    x = 66,539,811.67/9,400.65
  6. Step 6: Final answer
    x = 7,078.21

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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.