Home / 21,453.26-29,605.08-11,762.60

Finding the Fourth Proportional to 21,453.26, 29,605.08 and 11,762.60

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Solution

The fourth proportional to 21,453.26, 29,605.08 and 11,762.60 is: 16,232.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,453.26 : 29,605.08 = 11,762.60 : x
  2. Step 2: Convert to fraction form
    21,453.26/29,605.08 = 11,762.60/x
  3. Step 3: Cross multiply
    21,453.26x = 29,605.08 × 11,762.60
  4. Step 4: Simplify right side
    21,453.26x = 348,232,714.01
  5. Step 5: Solve for x
    x = 348,232,714.01/21,453.26
  6. Step 6: Final answer
    x = 16,232.16

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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.