Home / 14,770.51-20,383.85-8,802.73

Finding the Fourth Proportional to 14,770.51, 20,383.85 and 8,802.73

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Solution

The fourth proportional to 14,770.51, 20,383.85 and 8,802.73 is: 12,148.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,770.51 : 20,383.85 = 8,802.73 : x
  2. Step 2: Convert to fraction form
    14,770.51/20,383.85 = 8,802.73/x
  3. Step 3: Cross multiply
    14,770.51x = 20,383.85 × 8,802.73
  4. Step 4: Simplify right side
    14,770.51x = 179,433,527.91
  5. Step 5: Solve for x
    x = 179,433,527.91/14,770.51
  6. Step 6: Final answer
    x = 12,148.09

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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.