Home / 20,208.70-30,304.05-10,845.91

Finding the Fourth Proportional to 20,208.70, 30,304.05 and 10,845.91

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Solution

The fourth proportional to 20,208.70, 30,304.05 and 10,845.91 is: 16,264.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,208.70 : 30,304.05 = 10,845.91 : x
  2. Step 2: Convert to fraction form
    20,208.70/30,304.05 = 10,845.91/x
  3. Step 3: Cross multiply
    20,208.70x = 30,304.05 × 10,845.91
  4. Step 4: Simplify right side
    20,208.70x = 328,674,998.94
  5. Step 5: Solve for x
    x = 328,674,998.94/20,208.70
  6. Step 6: Final answer
    x = 16,264.03

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.