Home / 14,269.80-21,404.70-13,504.35

Finding the Fourth Proportional to 14,269.80, 21,404.70 and 13,504.35

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Solution

The fourth proportional to 14,269.80, 21,404.70 and 13,504.35 is: 20,256.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,269.80 : 21,404.70 = 13,504.35 : x
  2. Step 2: Convert to fraction form
    14,269.80/21,404.70 = 13,504.35/x
  3. Step 3: Cross multiply
    14,269.80x = 21,404.70 × 13,504.35
  4. Step 4: Simplify right side
    14,269.80x = 289,056,560.45
  5. Step 5: Solve for x
    x = 289,056,560.45/14,269.80
  6. Step 6: Final answer
    x = 20,256.53

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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.