Home / 11,097-15,314.87-6,382.19

Finding the Fourth Proportional to 11,097, 15,314.87 and 6,382.19

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Solution

The fourth proportional to 11,097, 15,314.87 and 6,382.19 is: 8,808.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,097 : 15,314.87 = 6,382.19 : x
  2. Step 2: Convert to fraction form
    11,097/15,314.87 = 6,382.19/x
  3. Step 3: Cross multiply
    11,097x = 15,314.87 × 6,382.19
  4. Step 4: Simplify right side
    11,097x = 97,742,464.41
  5. Step 5: Solve for x
    x = 97,742,464.41/11,097
  6. Step 6: Final answer
    x = 8,808.01

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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.