Home / 21,597.29-29,804.30-12,165.85

Finding the Fourth Proportional to 21,597.29, 29,804.30 and 12,165.85

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Solution

The fourth proportional to 21,597.29, 29,804.30 and 12,165.85 is: 16,788.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,597.29 : 29,804.30 = 12,165.85 : x
  2. Step 2: Convert to fraction form
    21,597.29/29,804.30 = 12,165.85/x
  3. Step 3: Cross multiply
    21,597.29x = 29,804.30 × 12,165.85
  4. Step 4: Simplify right side
    21,597.29x = 362,594,494.13
  5. Step 5: Solve for x
    x = 362,594,494.13/21,597.29
  6. Step 6: Final answer
    x = 16,788.89

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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.