Home / 13,284.36-18,331.77-7,316.28

Finding the Fourth Proportional to 13,284.36, 18,331.77 and 7,316.28

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Solution

The fourth proportional to 13,284.36, 18,331.77 and 7,316.28 is: 10,096.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,284.36 : 18,331.77 = 7,316.28 : x
  2. Step 2: Convert to fraction form
    13,284.36/18,331.77 = 7,316.28/x
  3. Step 3: Cross multiply
    13,284.36x = 18,331.77 × 7,316.28
  4. Step 4: Simplify right side
    13,284.36x = 134,120,362.22
  5. Step 5: Solve for x
    x = 134,120,362.22/13,284.36
  6. Step 6: Final answer
    x = 10,096.11

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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.