Home / 20,998.34-31,497.57-14,404.53

Finding the Fourth Proportional to 20,998.34, 31,497.57 and 14,404.53

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Solution

The fourth proportional to 20,998.34, 31,497.57 and 14,404.53 is: 21,606.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,998.34 : 31,497.57 = 14,404.53 : x
  2. Step 2: Convert to fraction form
    20,998.34/31,497.57 = 14,404.53/x
  3. Step 3: Cross multiply
    20,998.34x = 31,497.57 × 14,404.53
  4. Step 4: Simplify right side
    20,998.34x = 453,707,619.97
  5. Step 5: Solve for x
    x = 453,707,619.97/20,998.34
  6. Step 6: Final answer
    x = 21,606.84

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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.