Home / 21,050.55-29,050-11,619.12

Finding the Fourth Proportional to 21,050.55, 29,050 and 11,619.12

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Solution

The fourth proportional to 21,050.55, 29,050 and 11,619.12 is: 16,034.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,050.55 : 29,050 = 11,619.12 : x
  2. Step 2: Convert to fraction form
    21,050.55/29,050 = 11,619.12/x
  3. Step 3: Cross multiply
    21,050.55x = 29,050 × 11,619.12
  4. Step 4: Simplify right side
    21,050.55x = 337,535,436
  5. Step 5: Solve for x
    x = 337,535,436/21,050.55
  6. Step 6: Final answer
    x = 16,034.52

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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.