Home / 15,539.37-21,444.24-8,465.77

Finding the Fourth Proportional to 15,539.37, 21,444.24 and 8,465.77

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Solution

The fourth proportional to 15,539.37, 21,444.24 and 8,465.77 is: 11,682.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,539.37 : 21,444.24 = 8,465.77 : x
  2. Step 2: Convert to fraction form
    15,539.37/21,444.24 = 8,465.77/x
  3. Step 3: Cross multiply
    15,539.37x = 21,444.24 × 8,465.77
  4. Step 4: Simplify right side
    15,539.37x = 181,542,003.66
  5. Step 5: Solve for x
    x = 181,542,003.66/15,539.37
  6. Step 6: Final answer
    x = 11,682.71

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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.