Home / 21,395.08-29,526.66-11,964.52

Finding the Fourth Proportional to 21,395.08, 29,526.66 and 11,964.52

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Solution

The fourth proportional to 21,395.08, 29,526.66 and 11,964.52 is: 16,511.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,395.08 : 29,526.66 = 11,964.52 : x
  2. Step 2: Convert to fraction form
    21,395.08/29,526.66 = 11,964.52/x
  3. Step 3: Cross multiply
    21,395.08x = 29,526.66 × 11,964.52
  4. Step 4: Simplify right side
    21,395.08x = 353,272,314.10
  5. Step 5: Solve for x
    x = 353,272,314.10/21,395.08
  6. Step 6: Final answer
    x = 16,511.85

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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.