Home / 20,359.65-28,093.05-12,404.37

Finding the Fourth Proportional to 20,359.65, 28,093.05 and 12,404.37

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Solution

The fourth proportional to 20,359.65, 28,093.05 and 12,404.37 is: 17,116.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,359.65 : 28,093.05 = 12,404.37 : x
  2. Step 2: Convert to fraction form
    20,359.65/28,093.05 = 12,404.37/x
  3. Step 3: Cross multiply
    20,359.65x = 28,093.05 × 12,404.37
  4. Step 4: Simplify right side
    20,359.65x = 348,476,586.63
  5. Step 5: Solve for x
    x = 348,476,586.63/20,359.65
  6. Step 6: Final answer
    x = 17,116.04

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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.