Home / 14,684.50-20,255.39-8,711.94

Finding the Fourth Proportional to 14,684.50, 20,255.39 and 8,711.94

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Solution

The fourth proportional to 14,684.50, 20,255.39 and 8,711.94 is: 12,017.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,684.50 : 20,255.39 = 8,711.94 : x
  2. Step 2: Convert to fraction form
    14,684.50/20,255.39 = 8,711.94/x
  3. Step 3: Cross multiply
    14,684.50x = 20,255.39 × 8,711.94
  4. Step 4: Simplify right side
    14,684.50x = 176,463,742.36
  5. Step 5: Solve for x
    x = 176,463,742.36/14,684.50
  6. Step 6: Final answer
    x = 12,017.01

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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.