Home / 14,132.04-21,200.24-4,270.08

Finding the Fourth Proportional to 14,132.04, 21,200.24 and 4,270.08

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Solution

The fourth proportional to 14,132.04, 21,200.24 and 4,270.08 is: 6,405.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,132.04 : 21,200.24 = 4,270.08 : x
  2. Step 2: Convert to fraction form
    14,132.04/21,200.24 = 4,270.08/x
  3. Step 3: Cross multiply
    14,132.04x = 21,200.24 × 4,270.08
  4. Step 4: Simplify right side
    14,132.04x = 90,526,720.82
  5. Step 5: Solve for x
    x = 90,526,720.82/14,132.04
  6. Step 6: Final answer
    x = 6,405.78

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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.