Home / 14,254.10-21,366.03-5,485.22

Finding the Fourth Proportional to 14,254.10, 21,366.03 and 5,485.22

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Solution

The fourth proportional to 14,254.10, 21,366.03 and 5,485.22 is: 8,222.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,254.10 : 21,366.03 = 5,485.22 : x
  2. Step 2: Convert to fraction form
    14,254.10/21,366.03 = 5,485.22/x
  3. Step 3: Cross multiply
    14,254.10x = 21,366.03 × 5,485.22
  4. Step 4: Simplify right side
    14,254.10x = 117,197,375.08
  5. Step 5: Solve for x
    x = 117,197,375.08/14,254.10
  6. Step 6: Final answer
    x = 8,222.01

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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.