Home / 21,304.10-29,405.63-14,932.38

Finding the Fourth Proportional to 21,304.10, 29,405.63 and 14,932.38

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Solution

The fourth proportional to 21,304.10, 29,405.63 and 14,932.38 is: 20,610.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,304.10 : 29,405.63 = 14,932.38 : x
  2. Step 2: Convert to fraction form
    21,304.10/29,405.63 = 14,932.38/x
  3. Step 3: Cross multiply
    21,304.10x = 29,405.63 × 14,932.38
  4. Step 4: Simplify right side
    21,304.10x = 439,095,940.79
  5. Step 5: Solve for x
    x = 439,095,940.79/21,304.10
  6. Step 6: Final answer
    x = 20,610.87

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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.