Home / 11,146.95-16,720.38-9,058.32

Finding the Fourth Proportional to 11,146.95, 16,720.38 and 9,058.32

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Solution

The fourth proportional to 11,146.95, 16,720.38 and 9,058.32 is: 13,587.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,146.95 : 16,720.38 = 9,058.32 : x
  2. Step 2: Convert to fraction form
    11,146.95/16,720.38 = 9,058.32/x
  3. Step 3: Cross multiply
    11,146.95x = 16,720.38 × 9,058.32
  4. Step 4: Simplify right side
    11,146.95x = 151,458,552.56
  5. Step 5: Solve for x
    x = 151,458,552.56/11,146.95
  6. Step 6: Final answer
    x = 13,587.44

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.