Home / 14,281.06-21,428.79-8,048.02

Finding the Fourth Proportional to 14,281.06, 21,428.79 and 8,048.02

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Solution

The fourth proportional to 14,281.06, 21,428.79 and 8,048.02 is: 12,076.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,281.06 : 21,428.79 = 8,048.02 : x
  2. Step 2: Convert to fraction form
    14,281.06/21,428.79 = 8,048.02/x
  3. Step 3: Cross multiply
    14,281.06x = 21,428.79 × 8,048.02
  4. Step 4: Simplify right side
    14,281.06x = 172,459,330.50
  5. Step 5: Solve for x
    x = 172,459,330.50/14,281.06
  6. Step 6: Final answer
    x = 12,076.09

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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.