Home / 21,610.27-32,415.45-12,254.77

Finding the Fourth Proportional to 21,610.27, 32,415.45 and 12,254.77

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Solution

The fourth proportional to 21,610.27, 32,415.45 and 12,254.77 is: 18,382.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,610.27 : 32,415.45 = 12,254.77 : x
  2. Step 2: Convert to fraction form
    21,610.27/32,415.45 = 12,254.77/x
  3. Step 3: Cross multiply
    21,610.27x = 32,415.45 × 12,254.77
  4. Step 4: Simplify right side
    21,610.27x = 397,243,884.20
  5. Step 5: Solve for x
    x = 397,243,884.20/21,610.27
  6. Step 6: Final answer
    x = 18,382.18

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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.