Home / 14,234.40-21,351.60-7,892.10

Finding the Fourth Proportional to 14,234.40, 21,351.60 and 7,892.10

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Solution

The fourth proportional to 14,234.40, 21,351.60 and 7,892.10 is: 11,838.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,234.40 : 21,351.60 = 7,892.10 : x
  2. Step 2: Convert to fraction form
    14,234.40/21,351.60 = 7,892.10/x
  3. Step 3: Cross multiply
    14,234.40x = 21,351.60 × 7,892.10
  4. Step 4: Simplify right side
    14,234.40x = 168,508,962.36
  5. Step 5: Solve for x
    x = 168,508,962.36/14,234.40
  6. Step 6: Final answer
    x = 11,838.15

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1.5x scale

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.