Home / 10,071.96-13,896.81-6,289.26

Finding the Fourth Proportional to 10,071.96, 13,896.81 and 6,289.26

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Solution

The fourth proportional to 10,071.96, 13,896.81 and 6,289.26 is: 8,677.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,071.96 : 13,896.81 = 6,289.26 : x
  2. Step 2: Convert to fraction form
    10,071.96/13,896.81 = 6,289.26/x
  3. Step 3: Cross multiply
    10,071.96x = 13,896.81 × 6,289.26
  4. Step 4: Simplify right side
    10,071.96x = 87,400,651.26
  5. Step 5: Solve for x
    x = 87,400,651.26/10,071.96
  6. Step 6: Final answer
    x = 8,677.62

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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.