Home / 21,052.01-29,051.76-11,620.57

Finding the Fourth Proportional to 21,052.01, 29,051.76 and 11,620.57

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Solution

The fourth proportional to 21,052.01, 29,051.76 and 11,620.57 is: 16,036.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,052.01 : 29,051.76 = 11,620.57 : x
  2. Step 2: Convert to fraction form
    21,052.01/29,051.76 = 11,620.57/x
  3. Step 3: Cross multiply
    21,052.01x = 29,051.76 × 11,620.57
  4. Step 4: Simplify right side
    21,052.01x = 337,597,894.50
  5. Step 5: Solve for x
    x = 337,597,894.50/21,052.01
  6. Step 6: Final answer
    x = 16,036.38

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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.