Home / 20,134.71-30,212.73-14,633.46

Finding the Fourth Proportional to 20,134.71, 30,212.73 and 14,633.46

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Solution

The fourth proportional to 20,134.71, 30,212.73 and 14,633.46 is: 21,957.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,134.71 : 30,212.73 = 14,633.46 : x
  2. Step 2: Convert to fraction form
    20,134.71/30,212.73 = 14,633.46/x
  3. Step 3: Cross multiply
    20,134.71x = 30,212.73 × 14,633.46
  4. Step 4: Simplify right side
    20,134.71x = 442,116,775.95
  5. Step 5: Solve for x
    x = 442,116,775.95/20,134.71
  6. Step 6: Final answer
    x = 21,957.94

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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.