Home / 21,050.37-31,558.99-10,514.95

Finding the Fourth Proportional to 21,050.37, 31,558.99 and 10,514.95

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Solution

The fourth proportional to 21,050.37, 31,558.99 and 10,514.95 is: 15,764.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,050.37 : 31,558.99 = 10,514.95 : x
  2. Step 2: Convert to fraction form
    21,050.37/31,558.99 = 10,514.95/x
  3. Step 3: Cross multiply
    21,050.37x = 31,558.99 × 10,514.95
  4. Step 4: Simplify right side
    21,050.37x = 331,841,201.90
  5. Step 5: Solve for x
    x = 331,841,201.90/21,050.37
  6. Step 6: Final answer
    x = 15,764.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.