Home / 15,404.83-21,257.02-11,373.77

Finding the Fourth Proportional to 15,404.83, 21,257.02 and 11,373.77

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Solution

The fourth proportional to 15,404.83, 21,257.02 and 11,373.77 is: 15,694.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,404.83 : 21,257.02 = 11,373.77 : x
  2. Step 2: Convert to fraction form
    15,404.83/21,257.02 = 11,373.77/x
  3. Step 3: Cross multiply
    15,404.83x = 21,257.02 × 11,373.77
  4. Step 4: Simplify right side
    15,404.83x = 241,772,456.37
  5. Step 5: Solve for x
    x = 241,772,456.37/15,404.83
  6. Step 6: Final answer
    x = 15,694.59

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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.