Home / 13,054.03-18,014.57-7,085.69

Finding the Fourth Proportional to 13,054.03, 18,014.57 and 7,085.69

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Solution

The fourth proportional to 13,054.03, 18,014.57 and 7,085.69 is: 9,778.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,054.03 : 18,014.57 = 7,085.69 : x
  2. Step 2: Convert to fraction form
    13,054.03/18,014.57 = 7,085.69/x
  3. Step 3: Cross multiply
    13,054.03x = 18,014.57 × 7,085.69
  4. Step 4: Simplify right side
    13,054.03x = 127,645,721.25
  5. Step 5: Solve for x
    x = 127,645,721.25/13,054.03
  6. Step 6: Final answer
    x = 9,778.26

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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.