Home / 13,424.70-18,528.72-8,576.31

Finding the Fourth Proportional to 13,424.70, 18,528.72 and 8,576.31

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Solution

The fourth proportional to 13,424.70, 18,528.72 and 8,576.31 is: 11,836.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,424.70 : 18,528.72 = 8,576.31 : x
  2. Step 2: Convert to fraction form
    13,424.70/18,528.72 = 8,576.31/x
  3. Step 3: Cross multiply
    13,424.70x = 18,528.72 × 8,576.31
  4. Step 4: Simplify right side
    13,424.70x = 158,908,046.62
  5. Step 5: Solve for x
    x = 158,908,046.62/13,424.70
  6. Step 6: Final answer
    x = 11,836.99

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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.