Home / 14,397.32-21,561.96-11,255.34

Finding the Fourth Proportional to 14,397.32, 21,561.96 and 11,255.34

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Solution

The fourth proportional to 14,397.32, 21,561.96 and 11,255.34 is: 16,856.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,397.32 : 21,561.96 = 11,255.34 : x
  2. Step 2: Convert to fraction form
    14,397.32/21,561.96 = 11,255.34/x
  3. Step 3: Cross multiply
    14,397.32x = 21,561.96 × 11,255.34
  4. Step 4: Simplify right side
    14,397.32x = 242,687,190.87
  5. Step 5: Solve for x
    x = 242,687,190.87/14,397.32
  6. Step 6: Final answer
    x = 16,856.41

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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.