Home / 14,609.83-20,161.70-13,493.65

Finding the Fourth Proportional to 14,609.83, 20,161.70 and 13,493.65

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Solution

The fourth proportional to 14,609.83, 20,161.70 and 13,493.65 is: 18,621.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,609.83 : 20,161.70 = 13,493.65 : x
  2. Step 2: Convert to fraction form
    14,609.83/20,161.70 = 13,493.65/x
  3. Step 3: Cross multiply
    14,609.83x = 20,161.70 × 13,493.65
  4. Step 4: Simplify right side
    14,609.83x = 272,054,923.21
  5. Step 5: Solve for x
    x = 272,054,923.21/14,609.83
  6. Step 6: Final answer
    x = 18,621.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.