Home / 11,885.03-16,383.86-9,047.45

Finding the Fourth Proportional to 11,885.03, 16,383.86 and 9,047.45

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Solution

The fourth proportional to 11,885.03, 16,383.86 and 9,047.45 is: 12,472.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,885.03 : 16,383.86 = 9,047.45 : x
  2. Step 2: Convert to fraction form
    11,885.03/16,383.86 = 9,047.45/x
  3. Step 3: Cross multiply
    11,885.03x = 16,383.86 × 9,047.45
  4. Step 4: Simplify right side
    11,885.03x = 148,232,217.74
  5. Step 5: Solve for x
    x = 148,232,217.74/11,885.03
  6. Step 6: Final answer
    x = 12,472.18

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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.