Home / 9,328.16-13,971.29-4,387.37

Finding the Fourth Proportional to 9,328.16, 13,971.29 and 4,387.37

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Solution

The fourth proportional to 9,328.16, 13,971.29 and 4,387.37 is: 6,571.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,328.16 : 13,971.29 = 4,387.37 : x
  2. Step 2: Convert to fraction form
    9,328.16/13,971.29 = 4,387.37/x
  3. Step 3: Cross multiply
    9,328.16x = 13,971.29 × 4,387.37
  4. Step 4: Simplify right side
    9,328.16x = 61,297,126.81
  5. Step 5: Solve for x
    x = 61,297,126.81/9,328.16
  6. Step 6: Final answer
    x = 6,571.19

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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.