Home / 9,359.76-12,916.48-5,168

Finding the Fourth Proportional to 9,359.76, 12,916.48 and 5,168

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Solution

The fourth proportional to 9,359.76, 12,916.48 and 5,168 is: 7,131.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,359.76 : 12,916.48 = 5,168 : x
  2. Step 2: Convert to fraction form
    9,359.76/12,916.48 = 5,168/x
  3. Step 3: Cross multiply
    9,359.76x = 12,916.48 × 5,168
  4. Step 4: Simplify right side
    9,359.76x = 66,752,368.64
  5. Step 5: Solve for x
    x = 66,752,368.64/9,359.76
  6. Step 6: Final answer
    x = 7,131.85

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.