Home / 14,252.21-21,378.75-4,892.10

Finding the Fourth Proportional to 14,252.21, 21,378.75 and 4,892.10

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Solution

The fourth proportional to 14,252.21, 21,378.75 and 4,892.10 is: 7,338.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,252.21 : 21,378.75 = 4,892.10 : x
  2. Step 2: Convert to fraction form
    14,252.21/21,378.75 = 4,892.10/x
  3. Step 3: Cross multiply
    14,252.21x = 21,378.75 × 4,892.10
  4. Step 4: Simplify right side
    14,252.21x = 104,586,982.88
  5. Step 5: Solve for x
    x = 104,586,982.88/14,252.21
  6. Step 6: Final answer
    x = 7,338.30

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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.