Home / 14,748.57-20,367.51-12,611.79

Finding the Fourth Proportional to 14,748.57, 20,367.51 and 12,611.79

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Solution

The fourth proportional to 14,748.57, 20,367.51 and 12,611.79 is: 17,416.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,748.57 : 20,367.51 = 12,611.79 : x
  2. Step 2: Convert to fraction form
    14,748.57/20,367.51 = 12,611.79/x
  3. Step 3: Cross multiply
    14,748.57x = 20,367.51 × 12,611.79
  4. Step 4: Simplify right side
    14,748.57x = 256,870,758.94
  5. Step 5: Solve for x
    x = 256,870,758.94/14,748.57
  6. Step 6: Final answer
    x = 17,416.66

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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.