Home / 21,037.69-29,032.62-11,606.86

Finding the Fourth Proportional to 21,037.69, 29,032.62 and 11,606.86

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Solution

The fourth proportional to 21,037.69, 29,032.62 and 11,606.86 is: 16,017.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,037.69 : 29,032.62 = 11,606.86 : x
  2. Step 2: Convert to fraction form
    21,037.69/29,032.62 = 11,606.86/x
  3. Step 3: Cross multiply
    21,037.69x = 29,032.62 × 11,606.86
  4. Step 4: Simplify right side
    21,037.69x = 336,977,555.77
  5. Step 5: Solve for x
    x = 336,977,555.77/21,037.69
  6. Step 6: Final answer
    x = 16,017.80

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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.