Home / 20,359.47-28,096.32-11,743.65

Finding the Fourth Proportional to 20,359.47, 28,096.32 and 11,743.65

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Solution

The fourth proportional to 20,359.47, 28,096.32 and 11,743.65 is: 16,206.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,359.47 : 28,096.32 = 11,743.65 : x
  2. Step 2: Convert to fraction form
    20,359.47/28,096.32 = 11,743.65/x
  3. Step 3: Cross multiply
    20,359.47x = 28,096.32 × 11,743.65
  4. Step 4: Simplify right side
    20,359.47x = 329,953,348.37
  5. Step 5: Solve for x
    x = 329,953,348.37/20,359.47
  6. Step 6: Final answer
    x = 16,206.38

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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.