Home / 11,097.12-15,317.44-6,384.54

Finding the Fourth Proportional to 11,097.12, 15,317.44 and 6,384.54

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Solution

The fourth proportional to 11,097.12, 15,317.44 and 6,384.54 is: 8,812.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,097.12 : 15,317.44 = 6,384.54 : x
  2. Step 2: Convert to fraction form
    11,097.12/15,317.44 = 6,384.54/x
  3. Step 3: Cross multiply
    11,097.12x = 15,317.44 × 6,384.54
  4. Step 4: Simplify right side
    11,097.12x = 97,794,808.38
  5. Step 5: Solve for x
    x = 97,794,808.38/11,097.12
  6. Step 6: Final answer
    x = 8,812.63

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1.5x scale

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.