Home / 13,175.65-18,182.87-7,511.26

Finding the Fourth Proportional to 13,175.65, 18,182.87 and 7,511.26

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Solution

The fourth proportional to 13,175.65, 18,182.87 and 7,511.26 is: 10,365.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,175.65 : 18,182.87 = 7,511.26 : x
  2. Step 2: Convert to fraction form
    13,175.65/18,182.87 = 7,511.26/x
  3. Step 3: Cross multiply
    13,175.65x = 18,182.87 × 7,511.26
  4. Step 4: Simplify right side
    13,175.65x = 136,576,264.12
  5. Step 5: Solve for x
    x = 136,576,264.12/13,175.65
  6. Step 6: Final answer
    x = 10,365.81

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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.