Home / 21,051.10-29,050.50-11,619.64

Finding the Fourth Proportional to 21,051.10, 29,050.50 and 11,619.64

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Solution

The fourth proportional to 21,051.10, 29,050.50 and 11,619.64 is: 16,035.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,051.10 : 29,050.50 = 11,619.64 : x
  2. Step 2: Convert to fraction form
    21,051.10/29,050.50 = 11,619.64/x
  3. Step 3: Cross multiply
    21,051.10x = 29,050.50 × 11,619.64
  4. Step 4: Simplify right side
    21,051.10x = 337,556,351.82
  5. Step 5: Solve for x
    x = 337,556,351.82/21,051.10
  6. Step 6: Final answer
    x = 16,035.09

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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.