Home / 13,177.07-18,173.89-9,957.64

Finding the Fourth Proportional to 13,177.07, 18,173.89 and 9,957.64

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Solution

The fourth proportional to 13,177.07, 18,173.89 and 9,957.64 is: 13,733.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,177.07 : 18,173.89 = 9,957.64 : x
  2. Step 2: Convert to fraction form
    13,177.07/18,173.89 = 9,957.64/x
  3. Step 3: Cross multiply
    13,177.07x = 18,173.89 × 9,957.64
  4. Step 4: Simplify right side
    13,177.07x = 180,969,054.02
  5. Step 5: Solve for x
    x = 180,969,054.02/13,177.07
  6. Step 6: Final answer
    x = 13,733.63

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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.