Home / 13,085.44-18,058.14-7,117.24

Finding the Fourth Proportional to 13,085.44, 18,058.14 and 7,117.24

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Solution

The fourth proportional to 13,085.44, 18,058.14 and 7,117.24 is: 9,821.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,085.44 : 18,058.14 = 7,117.24 : x
  2. Step 2: Convert to fraction form
    13,085.44/18,058.14 = 7,117.24/x
  3. Step 3: Cross multiply
    13,085.44x = 18,058.14 × 7,117.24
  4. Step 4: Simplify right side
    13,085.44x = 128,524,116.33
  5. Step 5: Solve for x
    x = 128,524,116.33/13,085.44
  6. Step 6: Final answer
    x = 9,821.92

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Half scale
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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.