Home / 13,051.33-18,010.97-7,083.05

Finding the Fourth Proportional to 13,051.33, 18,010.97 and 7,083.05

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Solution

The fourth proportional to 13,051.33, 18,010.97 and 7,083.05 is: 9,774.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,051.33 : 18,010.97 = 7,083.05 : x
  2. Step 2: Convert to fraction form
    13,051.33/18,010.97 = 7,083.05/x
  3. Step 3: Cross multiply
    13,051.33x = 18,010.97 × 7,083.05
  4. Step 4: Simplify right side
    13,051.33x = 127,572,601.06
  5. Step 5: Solve for x
    x = 127,572,601.06/13,051.33
  6. Step 6: Final answer
    x = 9,774.68

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Half scale
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Double scale
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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.