Home / 10,300.43-14,203.96-8,813.27

Finding the Fourth Proportional to 10,300.43, 14,203.96 and 8,813.27

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Solution

The fourth proportional to 10,300.43, 14,203.96 and 8,813.27 is: 12,153.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,300.43 : 14,203.96 = 8,813.27 : x
  2. Step 2: Convert to fraction form
    10,300.43/14,203.96 = 8,813.27/x
  3. Step 3: Cross multiply
    10,300.43x = 14,203.96 × 8,813.27
  4. Step 4: Simplify right side
    10,300.43x = 125,183,348.03
  5. Step 5: Solve for x
    x = 125,183,348.03/10,300.43
  6. Step 6: Final answer
    x = 12,153.21

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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.