Home / 13,484.84-20,225.82-4,719.92

Finding the Fourth Proportional to 13,484.84, 20,225.82 and 4,719.92

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Solution

The fourth proportional to 13,484.84, 20,225.82 and 4,719.92 is: 7,079.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,484.84 : 20,225.82 = 4,719.92 : x
  2. Step 2: Convert to fraction form
    13,484.84/20,225.82 = 4,719.92/x
  3. Step 3: Cross multiply
    13,484.84x = 20,225.82 × 4,719.92
  4. Step 4: Simplify right side
    13,484.84x = 95,464,252.33
  5. Step 5: Solve for x
    x = 95,464,252.33/13,484.84
  6. Step 6: Final answer
    x = 7,079.38

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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.