Home / 21,276.98-29,360.13-11,846.42

Finding the Fourth Proportional to 21,276.98, 29,360.13 and 11,846.42

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Solution

The fourth proportional to 21,276.98, 29,360.13 and 11,846.42 is: 16,346.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,276.98 : 29,360.13 = 11,846.42 : x
  2. Step 2: Convert to fraction form
    21,276.98/29,360.13 = 11,846.42/x
  3. Step 3: Cross multiply
    21,276.98x = 29,360.13 × 11,846.42
  4. Step 4: Simplify right side
    21,276.98x = 347,812,431.23
  5. Step 5: Solve for x
    x = 347,812,431.23/21,276.98
  6. Step 6: Final answer
    x = 16,346.89

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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.