Home / 15,379.74-21,225.15-11,596.23

Finding the Fourth Proportional to 15,379.74, 21,225.15 and 11,596.23

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Solution

The fourth proportional to 15,379.74, 21,225.15 and 11,596.23 is: 16,003.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,379.74 : 21,225.15 = 11,596.23 : x
  2. Step 2: Convert to fraction form
    15,379.74/21,225.15 = 11,596.23/x
  3. Step 3: Cross multiply
    15,379.74x = 21,225.15 × 11,596.23
  4. Step 4: Simplify right side
    15,379.74x = 246,131,721.18
  5. Step 5: Solve for x
    x = 246,131,721.18/15,379.74
  6. Step 6: Final answer
    x = 16,003.63

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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.