Home / 14,190.04-21,289.92-5,427.46

Finding the Fourth Proportional to 14,190.04, 21,289.92 and 5,427.46

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Solution

The fourth proportional to 14,190.04, 21,289.92 and 5,427.46 is: 8,143.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,190.04 : 21,289.92 = 5,427.46 : x
  2. Step 2: Convert to fraction form
    14,190.04/21,289.92 = 5,427.46/x
  3. Step 3: Cross multiply
    14,190.04x = 21,289.92 × 5,427.46
  4. Step 4: Simplify right side
    14,190.04x = 115,550,055.62
  5. Step 5: Solve for x
    x = 115,550,055.62/14,190.04
  6. Step 6: Final answer
    x = 8,143.04

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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.