Home / 14,336.40-21,510.04-8,103.44

Finding the Fourth Proportional to 14,336.40, 21,510.04 and 8,103.44

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Solution

The fourth proportional to 14,336.40, 21,510.04 and 8,103.44 is: 12,158.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,336.40 : 21,510.04 = 8,103.44 : x
  2. Step 2: Convert to fraction form
    14,336.40/21,510.04 = 8,103.44/x
  3. Step 3: Cross multiply
    14,336.40x = 21,510.04 × 8,103.44
  4. Step 4: Simplify right side
    14,336.40x = 174,305,318.54
  5. Step 5: Solve for x
    x = 174,305,318.54/14,336.40
  6. Step 6: Final answer
    x = 12,158.23

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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.