Home / 14,348.72-21,516.60-13,895.12

Finding the Fourth Proportional to 14,348.72, 21,516.60 and 13,895.12

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Solution

The fourth proportional to 14,348.72, 21,516.60 and 13,895.12 is: 20,836.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,348.72 : 21,516.60 = 13,895.12 : x
  2. Step 2: Convert to fraction form
    14,348.72/21,516.60 = 13,895.12/x
  3. Step 3: Cross multiply
    14,348.72x = 21,516.60 × 13,895.12
  4. Step 4: Simplify right side
    14,348.72x = 298,975,738.99
  5. Step 5: Solve for x
    x = 298,975,738.99/14,348.72
  6. Step 6: Final answer
    x = 20,836.40

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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.