Home / 20,461.46-28,249.79-14,011.89

Finding the Fourth Proportional to 20,461.46, 28,249.79 and 14,011.89

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Solution

The fourth proportional to 20,461.46, 28,249.79 and 14,011.89 is: 19,345.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,461.46 : 28,249.79 = 14,011.89 : x
  2. Step 2: Convert to fraction form
    20,461.46/28,249.79 = 14,011.89/x
  3. Step 3: Cross multiply
    20,461.46x = 28,249.79 × 14,011.89
  4. Step 4: Simplify right side
    20,461.46x = 395,832,774.01
  5. Step 5: Solve for x
    x = 395,832,774.01/20,461.46
  6. Step 6: Final answer
    x = 19,345.29

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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.