Home / 9,386.16-14,076.24-2,811.12

Finding the Fourth Proportional to 9,386.16, 14,076.24 and 2,811.12

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Solution

The fourth proportional to 9,386.16, 14,076.24 and 2,811.12 is: 4,215.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,386.16 : 14,076.24 = 2,811.12 : x
  2. Step 2: Convert to fraction form
    9,386.16/14,076.24 = 2,811.12/x
  3. Step 3: Cross multiply
    9,386.16x = 14,076.24 × 2,811.12
  4. Step 4: Simplify right side
    9,386.16x = 39,569,999.79
  5. Step 5: Solve for x
    x = 39,569,999.79/9,386.16
  6. Step 6: Final answer
    x = 4,215.78

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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.