Home / 12,556.33-17,327.67-6,890.94

Finding the Fourth Proportional to 12,556.33, 17,327.67 and 6,890.94

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Solution

The fourth proportional to 12,556.33, 17,327.67 and 6,890.94 is: 9,509.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,556.33 : 17,327.67 = 6,890.94 : x
  2. Step 2: Convert to fraction form
    12,556.33/17,327.67 = 6,890.94/x
  3. Step 3: Cross multiply
    12,556.33x = 17,327.67 × 6,890.94
  4. Step 4: Simplify right side
    12,556.33x = 119,403,947.23
  5. Step 5: Solve for x
    x = 119,403,947.23/12,556.33
  6. Step 6: Final answer
    x = 9,509.46

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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.