Home / 11,954.64-17,926.16-7,215.69

Finding the Fourth Proportional to 11,954.64, 17,926.16 and 7,215.69

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Solution

The fourth proportional to 11,954.64, 17,926.16 and 7,215.69 is: 10,820.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,954.64 : 17,926.16 = 7,215.69 : x
  2. Step 2: Convert to fraction form
    11,954.64/17,926.16 = 7,215.69/x
  3. Step 3: Cross multiply
    11,954.64x = 17,926.16 × 7,215.69
  4. Step 4: Simplify right side
    11,954.64x = 129,349,644.60
  5. Step 5: Solve for x
    x = 129,349,644.60/11,954.64
  6. Step 6: Final answer
    x = 10,820.03

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.