Home / 14,496.50-19,855.27-13,645.39

Finding the Fourth Proportional to 14,496.50, 19,855.27 and 13,645.39

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Solution

The fourth proportional to 14,496.50, 19,855.27 and 13,645.39 is: 18,689.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,496.50 : 19,855.27 = 13,645.39 : x
  2. Step 2: Convert to fraction form
    14,496.50/19,855.27 = 13,645.39/x
  3. Step 3: Cross multiply
    14,496.50x = 19,855.27 × 13,645.39
  4. Step 4: Simplify right side
    14,496.50x = 270,932,902.71
  5. Step 5: Solve for x
    x = 270,932,902.71/14,496.50
  6. Step 6: Final answer
    x = 18,689.54

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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.