Home / 13,576.56-18,734.64-8,270.52

Finding the Fourth Proportional to 13,576.56, 18,734.64 and 8,270.52

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Solution

The fourth proportional to 13,576.56, 18,734.64 and 8,270.52 is: 11,412.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,576.56 : 18,734.64 = 8,270.52 : x
  2. Step 2: Convert to fraction form
    13,576.56/18,734.64 = 8,270.52/x
  3. Step 3: Cross multiply
    13,576.56x = 18,734.64 × 8,270.52
  4. Step 4: Simplify right side
    13,576.56x = 154,945,214.81
  5. Step 5: Solve for x
    x = 154,945,214.81/13,576.56
  6. Step 6: Final answer
    x = 11,412.70

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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.