Home / 21,037.68-29,034.15-11,606.25

Finding the Fourth Proportional to 21,037.68, 29,034.15 and 11,606.25

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Solution

The fourth proportional to 21,037.68, 29,034.15 and 11,606.25 is: 16,017.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,037.68 : 29,034.15 = 11,606.25 : x
  2. Step 2: Convert to fraction form
    21,037.68/29,034.15 = 11,606.25/x
  3. Step 3: Cross multiply
    21,037.68x = 29,034.15 × 11,606.25
  4. Step 4: Simplify right side
    21,037.68x = 336,977,603.44
  5. Step 5: Solve for x
    x = 336,977,603.44/21,037.68
  6. Step 6: Final answer
    x = 16,017.81

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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.