Home / 14,572-20,091.12-11,914.72

Finding the Fourth Proportional to 14,572, 20,091.12 and 11,914.72

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Solution

The fourth proportional to 14,572, 20,091.12 and 11,914.72 is: 16,427.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,572 : 20,091.12 = 11,914.72 : x
  2. Step 2: Convert to fraction form
    14,572/20,091.12 = 11,914.72/x
  3. Step 3: Cross multiply
    14,572x = 20,091.12 × 11,914.72
  4. Step 4: Simplify right side
    14,572x = 239,380,069.29
  5. Step 5: Solve for x
    x = 239,380,069.29/14,572
  6. Step 6: Final answer
    x = 16,427.40

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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.