Home / 13,646.80-20,462.91-4,876.93

Finding the Fourth Proportional to 13,646.80, 20,462.91 and 4,876.93

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Solution

The fourth proportional to 13,646.80, 20,462.91 and 4,876.93 is: 7,312.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,646.80 : 20,462.91 = 4,876.93 : x
  2. Step 2: Convert to fraction form
    13,646.80/20,462.91 = 4,876.93/x
  3. Step 3: Cross multiply
    13,646.80x = 20,462.91 × 4,876.93
  4. Step 4: Simplify right side
    13,646.80x = 99,796,179.67
  5. Step 5: Solve for x
    x = 99,796,179.67/13,646.80
  6. Step 6: Final answer
    x = 7,312.79

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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.