Home / 21,597.36-29,804.24-12,165.68

Finding the Fourth Proportional to 21,597.36, 29,804.24 and 12,165.68

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Solution

The fourth proportional to 21,597.36, 29,804.24 and 12,165.68 is: 16,788.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,597.36 : 29,804.24 = 12,165.68 : x
  2. Step 2: Convert to fraction form
    21,597.36/29,804.24 = 12,165.68/x
  3. Step 3: Cross multiply
    21,597.36x = 29,804.24 × 12,165.68
  4. Step 4: Simplify right side
    21,597.36x = 362,588,846.48
  5. Step 5: Solve for x
    x = 362,588,846.48/21,597.36
  6. Step 6: Final answer
    x = 16,788.57

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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.