Home / 9,384.46-14,074.63-2,811.15

Finding the Fourth Proportional to 9,384.46, 14,074.63 and 2,811.15

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Solution

The fourth proportional to 9,384.46, 14,074.63 and 2,811.15 is: 4,216.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,384.46 : 14,074.63 = 2,811.15 : x
  2. Step 2: Convert to fraction form
    9,384.46/14,074.63 = 2,811.15/x
  3. Step 3: Cross multiply
    9,384.46x = 14,074.63 × 2,811.15
  4. Step 4: Simplify right side
    9,384.46x = 39,565,889.10
  5. Step 5: Solve for x
    x = 39,565,889.10/9,384.46
  6. Step 6: Final answer
    x = 4,216.11

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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.