Home / 9,887.06-13,629.95-7,049.51

Finding the Fourth Proportional to 9,887.06, 13,629.95 and 7,049.51

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Solution

The fourth proportional to 9,887.06, 13,629.95 and 7,049.51 is: 9,718.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,887.06 : 13,629.95 = 7,049.51 : x
  2. Step 2: Convert to fraction form
    9,887.06/13,629.95 = 7,049.51/x
  3. Step 3: Cross multiply
    9,887.06x = 13,629.95 × 7,049.51
  4. Step 4: Simplify right side
    9,887.06x = 96,084,481.75
  5. Step 5: Solve for x
    x = 96,084,481.75/9,887.06
  6. Step 6: Final answer
    x = 9,718.21

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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.