Home / 13,948.22-20,903.36-7,698.94

Finding the Fourth Proportional to 13,948.22, 20,903.36 and 7,698.94

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Solution

The fourth proportional to 13,948.22, 20,903.36 and 7,698.94 is: 11,537.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,948.22 : 20,903.36 = 7,698.94 : x
  2. Step 2: Convert to fraction form
    13,948.22/20,903.36 = 7,698.94/x
  3. Step 3: Cross multiply
    13,948.22x = 20,903.36 × 7,698.94
  4. Step 4: Simplify right side
    13,948.22x = 160,933,623.69
  5. Step 5: Solve for x
    x = 160,933,623.69/13,948.22
  6. Step 6: Final answer
    x = 11,537.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.