Home / 12,741.67-17,579.26-7,703.98

Finding the Fourth Proportional to 12,741.67, 17,579.26 and 7,703.98

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Solution

The fourth proportional to 12,741.67, 17,579.26 and 7,703.98 is: 10,628.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,741.67 : 17,579.26 = 7,703.98 : x
  2. Step 2: Convert to fraction form
    12,741.67/17,579.26 = 7,703.98/x
  3. Step 3: Cross multiply
    12,741.67x = 17,579.26 × 7,703.98
  4. Step 4: Simplify right side
    12,741.67x = 135,430,267.45
  5. Step 5: Solve for x
    x = 135,430,267.45/12,741.67
  6. Step 6: Final answer
    x = 10,628.93

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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.