Home / 16,030.22-22,120.09-9,316.13

Finding the Fourth Proportional to 16,030.22, 22,120.09 and 9,316.13

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Solution

The fourth proportional to 16,030.22, 22,120.09 and 9,316.13 is: 12,855.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,030.22 : 22,120.09 = 9,316.13 : x
  2. Step 2: Convert to fraction form
    16,030.22/22,120.09 = 9,316.13/x
  3. Step 3: Cross multiply
    16,030.22x = 22,120.09 × 9,316.13
  4. Step 4: Simplify right side
    16,030.22x = 206,073,634.05
  5. Step 5: Solve for x
    x = 206,073,634.05/16,030.22
  6. Step 6: Final answer
    x = 12,855.32

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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.