Home / 21,281.16-29,367.48-11,849.52

Finding the Fourth Proportional to 21,281.16, 29,367.48 and 11,849.52

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Solution

The fourth proportional to 21,281.16, 29,367.48 and 11,849.52 is: 16,352.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,281.16 : 29,367.48 = 11,849.52 : x
  2. Step 2: Convert to fraction form
    21,281.16/29,367.48 = 11,849.52/x
  3. Step 3: Cross multiply
    21,281.16x = 29,367.48 × 11,849.52
  4. Step 4: Simplify right side
    21,281.16x = 347,990,541.61
  5. Step 5: Solve for x
    x = 347,990,541.61/21,281.16
  6. Step 6: Final answer
    x = 16,352.05

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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.