Home / 19,732.21-27,230.54-10,779.86

Finding the Fourth Proportional to 19,732.21, 27,230.54 and 10,779.86

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Solution

The fourth proportional to 19,732.21, 27,230.54 and 10,779.86 is: 14,876.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,732.21 : 27,230.54 = 10,779.86 : x
  2. Step 2: Convert to fraction form
    19,732.21/27,230.54 = 10,779.86/x
  3. Step 3: Cross multiply
    19,732.21x = 27,230.54 × 10,779.86
  4. Step 4: Simplify right side
    19,732.21x = 293,541,422.31
  5. Step 5: Solve for x
    x = 293,541,422.31/19,732.21
  6. Step 6: Final answer
    x = 14,876.26

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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.