Home / 13,466.19-18,576.96-9,489.49

Finding the Fourth Proportional to 13,466.19, 18,576.96 and 9,489.49

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Solution

The fourth proportional to 13,466.19, 18,576.96 and 9,489.49 is: 13,091.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,466.19 : 18,576.96 = 9,489.49 : x
  2. Step 2: Convert to fraction form
    13,466.19/18,576.96 = 9,489.49/x
  3. Step 3: Cross multiply
    13,466.19x = 18,576.96 × 9,489.49
  4. Step 4: Simplify right side
    13,466.19x = 176,285,876.15
  5. Step 5: Solve for x
    x = 176,285,876.15/13,466.19
  6. Step 6: Final answer
    x = 13,091.00

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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.