Home / 20,088.46-27,721.27-11,013.63

Finding the Fourth Proportional to 20,088.46, 27,721.27 and 11,013.63

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Solution

The fourth proportional to 20,088.46, 27,721.27 and 11,013.63 is: 15,198.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,088.46 : 27,721.27 = 11,013.63 : x
  2. Step 2: Convert to fraction form
    20,088.46/27,721.27 = 11,013.63/x
  3. Step 3: Cross multiply
    20,088.46x = 27,721.27 × 11,013.63
  4. Step 4: Simplify right side
    20,088.46x = 305,311,810.91
  5. Step 5: Solve for x
    x = 305,311,810.91/20,088.46
  6. Step 6: Final answer
    x = 15,198.37

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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.