Home / 13,958.63-19,260.74-8,293.23

Finding the Fourth Proportional to 13,958.63, 19,260.74 and 8,293.23

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Solution

The fourth proportional to 13,958.63, 19,260.74 and 8,293.23 is: 11,443.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,958.63 : 19,260.74 = 8,293.23 : x
  2. Step 2: Convert to fraction form
    13,958.63/19,260.74 = 8,293.23/x
  3. Step 3: Cross multiply
    13,958.63x = 19,260.74 × 8,293.23
  4. Step 4: Simplify right side
    13,958.63x = 159,733,774.21
  5. Step 5: Solve for x
    x = 159,733,774.21/13,958.63
  6. Step 6: Final answer
    x = 11,443.37

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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.