Home / 18,975.64-26,199.30-12,277.48

Finding the Fourth Proportional to 18,975.64, 26,199.30 and 12,277.48

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Solution

The fourth proportional to 18,975.64, 26,199.30 and 12,277.48 is: 16,951.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,975.64 : 26,199.30 = 12,277.48 : x
  2. Step 2: Convert to fraction form
    18,975.64/26,199.30 = 12,277.48/x
  3. Step 3: Cross multiply
    18,975.64x = 26,199.30 × 12,277.48
  4. Step 4: Simplify right side
    18,975.64x = 321,661,381.76
  5. Step 5: Solve for x
    x = 321,661,381.76/18,975.64
  6. Step 6: Final answer
    x = 16,951.28

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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.