Home / 16,980.84-23,431.88-9,425.36

Finding the Fourth Proportional to 16,980.84, 23,431.88 and 9,425.36

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Solution

The fourth proportional to 16,980.84, 23,431.88 and 9,425.36 is: 13,006.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,980.84 : 23,431.88 = 9,425.36 : x
  2. Step 2: Convert to fraction form
    16,980.84/23,431.88 = 9,425.36/x
  3. Step 3: Cross multiply
    16,980.84x = 23,431.88 × 9,425.36
  4. Step 4: Simplify right side
    16,980.84x = 220,853,986.62
  5. Step 5: Solve for x
    x = 220,853,986.62/16,980.84
  6. Step 6: Final answer
    x = 13,006.07

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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.