Home / 14,386.32-21,579.48-8,226

Finding the Fourth Proportional to 14,386.32, 21,579.48 and 8,226

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Solution

The fourth proportional to 14,386.32, 21,579.48 and 8,226 is: 12,339

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,386.32 : 21,579.48 = 8,226 : x
  2. Step 2: Convert to fraction form
    14,386.32/21,579.48 = 8,226/x
  3. Step 3: Cross multiply
    14,386.32x = 21,579.48 × 8,226
  4. Step 4: Simplify right side
    14,386.32x = 177,512,802.48
  5. Step 5: Solve for x
    x = 177,512,802.48/14,386.32
  6. Step 6: Final answer
    x = 12,339

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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.