Home / 14,754.26-20,358.50-8,785.74

Finding the Fourth Proportional to 14,754.26, 20,358.50 and 8,785.74

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Solution

The fourth proportional to 14,754.26, 20,358.50 and 8,785.74 is: 12,122.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,754.26 : 20,358.50 = 8,785.74 : x
  2. Step 2: Convert to fraction form
    14,754.26/20,358.50 = 8,785.74/x
  3. Step 3: Cross multiply
    14,754.26x = 20,358.50 × 8,785.74
  4. Step 4: Simplify right side
    14,754.26x = 178,864,487.79
  5. Step 5: Solve for x
    x = 178,864,487.79/14,754.26
  6. Step 6: Final answer
    x = 12,122.90

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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.