Home / 15,232.08-21,020.38-8,518.33

Finding the Fourth Proportional to 15,232.08, 21,020.38 and 8,518.33

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Solution

The fourth proportional to 15,232.08, 21,020.38 and 8,518.33 is: 11,755.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,232.08 : 21,020.38 = 8,518.33 : x
  2. Step 2: Convert to fraction form
    15,232.08/21,020.38 = 8,518.33/x
  3. Step 3: Cross multiply
    15,232.08x = 21,020.38 × 8,518.33
  4. Step 4: Simplify right side
    15,232.08x = 179,058,538.55
  5. Step 5: Solve for x
    x = 179,058,538.55/15,232.08
  6. Step 6: Final answer
    x = 11,755.35

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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.