Home / 9,886.81-14,828.67-3,313.05

Finding the Fourth Proportional to 9,886.81, 14,828.67 and 3,313.05

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Solution

The fourth proportional to 9,886.81, 14,828.67 and 3,313.05 is: 4,969.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,886.81 : 14,828.67 = 3,313.05 : x
  2. Step 2: Convert to fraction form
    9,886.81/14,828.67 = 3,313.05/x
  3. Step 3: Cross multiply
    9,886.81x = 14,828.67 × 3,313.05
  4. Step 4: Simplify right side
    9,886.81x = 49,128,152.95
  5. Step 5: Solve for x
    x = 49,128,152.95/9,886.81
  6. Step 6: Final answer
    x = 4,969.06

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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.