Home / 21,053.35-29,053.68-11,493.24

Finding the Fourth Proportional to 21,053.35, 29,053.68 and 11,493.24

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Solution

The fourth proportional to 21,053.35, 29,053.68 and 11,493.24 is: 15,860.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,053.35 : 29,053.68 = 11,493.24 : x
  2. Step 2: Convert to fraction form
    21,053.35/29,053.68 = 11,493.24/x
  3. Step 3: Cross multiply
    21,053.35x = 29,053.68 × 11,493.24
  4. Step 4: Simplify right side
    21,053.35x = 333,920,928.50
  5. Step 5: Solve for x
    x = 333,920,928.50/21,053.35
  6. Step 6: Final answer
    x = 15,860.71

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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.