Home / 15,379.88-23,048.38-11,628.56

Finding the Fourth Proportional to 15,379.88, 23,048.38 and 11,628.56

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Solution

The fourth proportional to 15,379.88, 23,048.38 and 11,628.56 is: 17,426.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,379.88 : 23,048.38 = 11,628.56 : x
  2. Step 2: Convert to fraction form
    15,379.88/23,048.38 = 11,628.56/x
  3. Step 3: Cross multiply
    15,379.88x = 23,048.38 × 11,628.56
  4. Step 4: Simplify right side
    15,379.88x = 268,019,541.89
  5. Step 5: Solve for x
    x = 268,019,541.89/15,379.88
  6. Step 6: Final answer
    x = 17,426.64

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.