Home / 14,673.42-20,248.38-8,385.39

Finding the Fourth Proportional to 14,673.42, 20,248.38 and 8,385.39

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Solution

The fourth proportional to 14,673.42, 20,248.38 and 8,385.39 is: 11,571.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,673.42 : 20,248.38 = 8,385.39 : x
  2. Step 2: Convert to fraction form
    14,673.42/20,248.38 = 8,385.39/x
  3. Step 3: Cross multiply
    14,673.42x = 20,248.38 × 8,385.39
  4. Step 4: Simplify right side
    14,673.42x = 169,790,563.17
  5. Step 5: Solve for x
    x = 169,790,563.17/14,673.42
  6. Step 6: Final answer
    x = 11,571.30

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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.