Home / 15,441.96-21,309.96-8,368.36

Finding the Fourth Proportional to 15,441.96, 21,309.96 and 8,368.36

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Solution

The fourth proportional to 15,441.96, 21,309.96 and 8,368.36 is: 11,548.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,441.96 : 21,309.96 = 8,368.36 : x
  2. Step 2: Convert to fraction form
    15,441.96/21,309.96 = 8,368.36/x
  3. Step 3: Cross multiply
    15,441.96x = 21,309.96 × 8,368.36
  4. Step 4: Simplify right side
    15,441.96x = 178,329,416.87
  5. Step 5: Solve for x
    x = 178,329,416.87/15,441.96
  6. Step 6: Final answer
    x = 11,548.37

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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.