Home / 12,076.08-16,648.44-9,834.56

Finding the Fourth Proportional to 12,076.08, 16,648.44 and 9,834.56

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Solution

The fourth proportional to 12,076.08, 16,648.44 and 9,834.56 is: 13,558.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,076.08 : 16,648.44 = 9,834.56 : x
  2. Step 2: Convert to fraction form
    12,076.08/16,648.44 = 9,834.56/x
  3. Step 3: Cross multiply
    12,076.08x = 16,648.44 × 9,834.56
  4. Step 4: Simplify right side
    12,076.08x = 163,730,082.09
  5. Step 5: Solve for x
    x = 163,730,082.09/12,076.08
  6. Step 6: Final answer
    x = 13,558.21

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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.