Home / 16,389.25-22,619.09-9,316.73

Finding the Fourth Proportional to 16,389.25, 22,619.09 and 9,316.73

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Solution

The fourth proportional to 16,389.25, 22,619.09 and 9,316.73 is: 12,858.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,389.25 : 22,619.09 = 9,316.73 : x
  2. Step 2: Convert to fraction form
    16,389.25/22,619.09 = 9,316.73/x
  3. Step 3: Cross multiply
    16,389.25x = 22,619.09 × 9,316.73
  4. Step 4: Simplify right side
    16,389.25x = 210,736,034.22
  5. Step 5: Solve for x
    x = 210,736,034.22/16,389.25
  6. Step 6: Final answer
    x = 12,858.19

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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.