Home / 13,736.08-20,607.99-3,875.45

Finding the Fourth Proportional to 13,736.08, 20,607.99 and 3,875.45

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Solution

The fourth proportional to 13,736.08, 20,607.99 and 3,875.45 is: 5,814.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,736.08 : 20,607.99 = 3,875.45 : x
  2. Step 2: Convert to fraction form
    13,736.08/20,607.99 = 3,875.45/x
  3. Step 3: Cross multiply
    13,736.08x = 20,607.99 × 3,875.45
  4. Step 4: Simplify right side
    13,736.08x = 79,865,117.27
  5. Step 5: Solve for x
    x = 79,865,117.27/13,736.08
  6. Step 6: Final answer
    x = 5,814.26

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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.