Home / 12,552.54-17,322.69-6,887.85

Finding the Fourth Proportional to 12,552.54, 17,322.69 and 6,887.85

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Solution

The fourth proportional to 12,552.54, 17,322.69 and 6,887.85 is: 9,505.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,552.54 : 17,322.69 = 6,887.85 : x
  2. Step 2: Convert to fraction form
    12,552.54/17,322.69 = 6,887.85/x
  3. Step 3: Cross multiply
    12,552.54x = 17,322.69 × 6,887.85
  4. Step 4: Simplify right side
    12,552.54x = 119,316,090.32
  5. Step 5: Solve for x
    x = 119,316,090.32/12,552.54
  6. Step 6: Final answer
    x = 9,505.33

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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.