Home / 14,253.42-19,675.20-12,758.70

Finding the Fourth Proportional to 14,253.42, 19,675.20 and 12,758.70

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Solution

The fourth proportional to 14,253.42, 19,675.20 and 12,758.70 is: 17,611.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,253.42 : 19,675.20 = 12,758.70 : x
  2. Step 2: Convert to fraction form
    14,253.42/19,675.20 = 12,758.70/x
  3. Step 3: Cross multiply
    14,253.42x = 19,675.20 × 12,758.70
  4. Step 4: Simplify right side
    14,253.42x = 251,029,974.24
  5. Step 5: Solve for x
    x = 251,029,974.24/14,253.42
  6. Step 6: Final answer
    x = 17,611.91

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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.