Home / 21,670.26-32,453.45-11,785.02

Finding the Fourth Proportional to 21,670.26, 32,453.45 and 11,785.02

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Solution

The fourth proportional to 21,670.26, 32,453.45 and 11,785.02 is: 17,649.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,670.26 : 32,453.45 = 11,785.02 : x
  2. Step 2: Convert to fraction form
    21,670.26/32,453.45 = 11,785.02/x
  3. Step 3: Cross multiply
    21,670.26x = 32,453.45 × 11,785.02
  4. Step 4: Simplify right side
    21,670.26x = 382,464,498.39
  5. Step 5: Solve for x
    x = 382,464,498.39/21,670.26
  6. Step 6: Final answer
    x = 17,649.28

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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.