Home / 10,995.21-15,175.59-7,459.56

Finding the Fourth Proportional to 10,995.21, 15,175.59 and 7,459.56

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Solution

The fourth proportional to 10,995.21, 15,175.59 and 7,459.56 is: 10,295.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,995.21 : 15,175.59 = 7,459.56 : x
  2. Step 2: Convert to fraction form
    10,995.21/15,175.59 = 7,459.56/x
  3. Step 3: Cross multiply
    10,995.21x = 15,175.59 × 7,459.56
  4. Step 4: Simplify right side
    10,995.21x = 113,203,224.14
  5. Step 5: Solve for x
    x = 113,203,224.14/10,995.21
  6. Step 6: Final answer
    x = 10,295.69

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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.