Home / 8,703.09-12,013.37-5,166.29

Finding the Fourth Proportional to 8,703.09, 12,013.37 and 5,166.29

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Solution

The fourth proportional to 8,703.09, 12,013.37 and 5,166.29 is: 7,131.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,703.09 : 12,013.37 = 5,166.29 : x
  2. Step 2: Convert to fraction form
    8,703.09/12,013.37 = 5,166.29/x
  3. Step 3: Cross multiply
    8,703.09x = 12,013.37 × 5,166.29
  4. Step 4: Simplify right side
    8,703.09x = 62,064,596.25
  5. Step 5: Solve for x
    x = 62,064,596.25/8,703.09
  6. Step 6: Final answer
    x = 7,131.33

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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.