Home / 13,975.88-20,951.06-12,758.45

Finding the Fourth Proportional to 13,975.88, 20,951.06 and 12,758.45

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Solution

The fourth proportional to 13,975.88, 20,951.06 and 12,758.45 is: 19,126.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,975.88 : 20,951.06 = 12,758.45 : x
  2. Step 2: Convert to fraction form
    13,975.88/20,951.06 = 12,758.45/x
  3. Step 3: Cross multiply
    13,975.88x = 20,951.06 × 12,758.45
  4. Step 4: Simplify right side
    13,975.88x = 267,302,882.91
  5. Step 5: Solve for x
    x = 267,302,882.91/13,975.88
  6. Step 6: Final answer
    x = 19,126.02

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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.