Home / 12,609.24-17,391.90-10,927.68

Finding the Fourth Proportional to 12,609.24, 17,391.90 and 10,927.68

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Solution

The fourth proportional to 12,609.24, 17,391.90 and 10,927.68 is: 15,072.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,609.24 : 17,391.90 = 10,927.68 : x
  2. Step 2: Convert to fraction form
    12,609.24/17,391.90 = 10,927.68/x
  3. Step 3: Cross multiply
    12,609.24x = 17,391.90 × 10,927.68
  4. Step 4: Simplify right side
    12,609.24x = 190,053,117.79
  5. Step 5: Solve for x
    x = 190,053,117.79/12,609.24
  6. Step 6: Final answer
    x = 15,072.53

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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.