Home / 16,321.31-22,525.30-9,153.19

Finding the Fourth Proportional to 16,321.31, 22,525.30 and 9,153.19

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Solution

The fourth proportional to 16,321.31, 22,525.30 and 9,153.19 is: 12,632.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,321.31 : 22,525.30 = 9,153.19 : x
  2. Step 2: Convert to fraction form
    16,321.31/22,525.30 = 9,153.19/x
  3. Step 3: Cross multiply
    16,321.31x = 22,525.30 × 9,153.19
  4. Step 4: Simplify right side
    16,321.31x = 206,178,390.31
  5. Step 5: Solve for x
    x = 206,178,390.31/16,321.31
  6. Step 6: Final answer
    x = 12,632.47

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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.