Home / 14,569.84-20,104.83-8,905.98

Finding the Fourth Proportional to 14,569.84, 20,104.83 and 8,905.98

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Solution

The fourth proportional to 14,569.84, 20,104.83 and 8,905.98 is: 12,289.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,569.84 : 20,104.83 = 8,905.98 : x
  2. Step 2: Convert to fraction form
    14,569.84/20,104.83 = 8,905.98/x
  3. Step 3: Cross multiply
    14,569.84x = 20,104.83 × 8,905.98
  4. Step 4: Simplify right side
    14,569.84x = 179,053,213.88
  5. Step 5: Solve for x
    x = 179,053,213.88/14,569.84
  6. Step 6: Final answer
    x = 12,289.31

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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.