Home / 21,271.23-29,354.29-11,842.02

Finding the Fourth Proportional to 21,271.23, 29,354.29 and 11,842.02

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Solution

The fourth proportional to 21,271.23, 29,354.29 and 11,842.02 is: 16,341.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,271.23 : 29,354.29 = 11,842.02 : x
  2. Step 2: Convert to fraction form
    21,271.23/29,354.29 = 11,842.02/x
  3. Step 3: Cross multiply
    21,271.23x = 29,354.29 × 11,842.02
  4. Step 4: Simplify right side
    21,271.23x = 347,614,059.66
  5. Step 5: Solve for x
    x = 347,614,059.66/21,271.23
  6. Step 6: Final answer
    x = 16,341.98

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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.