Home / 14,951.82-20,628.42-9,284.58

Finding the Fourth Proportional to 14,951.82, 20,628.42 and 9,284.58

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Solution

The fourth proportional to 14,951.82, 20,628.42 and 9,284.58 is: 12,809.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,951.82 : 20,628.42 = 9,284.58 : x
  2. Step 2: Convert to fraction form
    14,951.82/20,628.42 = 9,284.58/x
  3. Step 3: Cross multiply
    14,951.82x = 20,628.42 × 9,284.58
  4. Step 4: Simplify right side
    14,951.82x = 191,526,215.76
  5. Step 5: Solve for x
    x = 191,526,215.76/14,951.82
  6. Step 6: Final answer
    x = 12,809.56

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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.