Home / 14,311.28-19,644.22-12,704.24

Finding the Fourth Proportional to 14,311.28, 19,644.22 and 12,704.24

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Solution

The fourth proportional to 14,311.28, 19,644.22 and 12,704.24 is: 17,438.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,311.28 : 19,644.22 = 12,704.24 : x
  2. Step 2: Convert to fraction form
    14,311.28/19,644.22 = 12,704.24/x
  3. Step 3: Cross multiply
    14,311.28x = 19,644.22 × 12,704.24
  4. Step 4: Simplify right side
    14,311.28x = 249,564,885.49
  5. Step 5: Solve for x
    x = 249,564,885.49/14,311.28
  6. Step 6: Final answer
    x = 17,438.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.