Home / 21,266.46-29,348.87-11,835.23

Finding the Fourth Proportional to 21,266.46, 29,348.87 and 11,835.23

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Solution

The fourth proportional to 21,266.46, 29,348.87 and 11,835.23 is: 16,333.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,266.46 : 29,348.87 = 11,835.23 : x
  2. Step 2: Convert to fraction form
    21,266.46/29,348.87 = 11,835.23/x
  3. Step 3: Cross multiply
    21,266.46x = 29,348.87 × 11,835.23
  4. Step 4: Simplify right side
    21,266.46x = 347,350,420.77
  5. Step 5: Solve for x
    x = 347,350,420.77/21,266.46
  6. Step 6: Final answer
    x = 16,333.25

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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.