Home / 14,224.32-21,339-4,865.38

Finding the Fourth Proportional to 14,224.32, 21,339 and 4,865.38

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Solution

The fourth proportional to 14,224.32, 21,339 and 4,865.38 is: 7,298.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,224.32 : 21,339 = 4,865.38 : x
  2. Step 2: Convert to fraction form
    14,224.32/21,339 = 4,865.38/x
  3. Step 3: Cross multiply
    14,224.32x = 21,339 × 4,865.38
  4. Step 4: Simplify right side
    14,224.32x = 103,822,237.13
  5. Step 5: Solve for x
    x = 103,822,237.13/14,224.32
  6. Step 6: Final answer
    x = 7,298.93

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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.