Home / 21,134.06-29,165.01-11,702.63

Finding the Fourth Proportional to 21,134.06, 29,165.01 and 11,702.63

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Solution

The fourth proportional to 21,134.06, 29,165.01 and 11,702.63 is: 16,149.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,134.06 : 29,165.01 = 11,702.63 : x
  2. Step 2: Convert to fraction form
    21,134.06/29,165.01 = 11,702.63/x
  3. Step 3: Cross multiply
    21,134.06x = 29,165.01 × 11,702.63
  4. Step 4: Simplify right side
    21,134.06x = 341,307,131.27
  5. Step 5: Solve for x
    x = 341,307,131.27/21,134.06
  6. Step 6: Final answer
    x = 16,149.62

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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.