Home / 15,676.54-21,541.61-12,527.26

Finding the Fourth Proportional to 15,676.54, 21,541.61 and 12,527.26

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Solution

The fourth proportional to 15,676.54, 21,541.61 and 12,527.26 is: 17,214.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,676.54 : 21,541.61 = 12,527.26 : x
  2. Step 2: Convert to fraction form
    15,676.54/21,541.61 = 12,527.26/x
  3. Step 3: Cross multiply
    15,676.54x = 21,541.61 × 12,527.26
  4. Step 4: Simplify right side
    15,676.54x = 269,857,286.65
  5. Step 5: Solve for x
    x = 269,857,286.65/15,676.54
  6. Step 6: Final answer
    x = 17,214.08

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.