Home / 13,054.45-18,014.97-7,086.34

Finding the Fourth Proportional to 13,054.45, 18,014.97 and 7,086.34

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Solution

The fourth proportional to 13,054.45, 18,014.97 and 7,086.34 is: 9,779.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,054.45 : 18,014.97 = 7,086.34 : x
  2. Step 2: Convert to fraction form
    13,054.45/18,014.97 = 7,086.34/x
  3. Step 3: Cross multiply
    13,054.45x = 18,014.97 × 7,086.34
  4. Step 4: Simplify right side
    13,054.45x = 127,660,202.51
  5. Step 5: Solve for x
    x = 127,660,202.51/13,054.45
  6. Step 6: Final answer
    x = 9,779.06

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Double scale
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Similar ratio
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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.