Home / 13,887.16-20,832.90-4,651

Finding the Fourth Proportional to 13,887.16, 20,832.90 and 4,651

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Solution

The fourth proportional to 13,887.16, 20,832.90 and 4,651 is: 6,977.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,887.16 : 20,832.90 = 4,651 : x
  2. Step 2: Convert to fraction form
    13,887.16/20,832.90 = 4,651/x
  3. Step 3: Cross multiply
    13,887.16x = 20,832.90 × 4,651
  4. Step 4: Simplify right side
    13,887.16x = 96,893,817.90
  5. Step 5: Solve for x
    x = 96,893,817.90/13,887.16
  6. Step 6: Final answer
    x = 6,977.22

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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.