Home / 14,368-21,553.26-3,979.84

Finding the Fourth Proportional to 14,368, 21,553.26 and 3,979.84

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Solution

The fourth proportional to 14,368, 21,553.26 and 3,979.84 is: 5,970.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,368 : 21,553.26 = 3,979.84 : x
  2. Step 2: Convert to fraction form
    14,368/21,553.26 = 3,979.84/x
  3. Step 3: Cross multiply
    14,368x = 21,553.26 × 3,979.84
  4. Step 4: Simplify right side
    14,368x = 85,778,526.28
  5. Step 5: Solve for x
    x = 85,778,526.28/14,368
  6. Step 6: Final answer
    x = 5,970.11

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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.