Home / 14,887.56-20,521.98-11,738.28

Finding the Fourth Proportional to 14,887.56, 20,521.98 and 11,738.28

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Solution

The fourth proportional to 14,887.56, 20,521.98 and 11,738.28 is: 16,180.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,887.56 : 20,521.98 = 11,738.28 : x
  2. Step 2: Convert to fraction form
    14,887.56/20,521.98 = 11,738.28/x
  3. Step 3: Cross multiply
    14,887.56x = 20,521.98 × 11,738.28
  4. Step 4: Simplify right side
    14,887.56x = 240,892,747.39
  5. Step 5: Solve for x
    x = 240,892,747.39/14,887.56
  6. Step 6: Final answer
    x = 16,180.81

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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.