Home / 13,576.25-18,733.96-7,606.65

Finding the Fourth Proportional to 13,576.25, 18,733.96 and 7,606.65

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Solution

The fourth proportional to 13,576.25, 18,733.96 and 7,606.65 is: 10,496.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,576.25 : 18,733.96 = 7,606.65 : x
  2. Step 2: Convert to fraction form
    13,576.25/18,733.96 = 7,606.65/x
  3. Step 3: Cross multiply
    13,576.25x = 18,733.96 × 7,606.65
  4. Step 4: Simplify right side
    13,576.25x = 142,502,657.82
  5. Step 5: Solve for x
    x = 142,502,657.82/13,576.25
  6. Step 6: Final answer
    x = 10,496.46

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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.