Home / 9,940.32-14,901.84-3,788.64

Finding the Fourth Proportional to 9,940.32, 14,901.84 and 3,788.64

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Solution

The fourth proportional to 9,940.32, 14,901.84 and 3,788.64 is: 5,679.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,940.32 : 14,901.84 = 3,788.64 : x
  2. Step 2: Convert to fraction form
    9,940.32/14,901.84 = 3,788.64/x
  3. Step 3: Cross multiply
    9,940.32x = 14,901.84 × 3,788.64
  4. Step 4: Simplify right side
    9,940.32x = 56,457,707.10
  5. Step 5: Solve for x
    x = 56,457,707.10/9,940.32
  6. Step 6: Final answer
    x = 5,679.67

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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.