Home / 14,080.92-21,145.55-12,503.22

Finding the Fourth Proportional to 14,080.92, 21,145.55 and 12,503.22

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Solution

The fourth proportional to 14,080.92, 21,145.55 and 12,503.22 is: 18,776.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,080.92 : 21,145.55 = 12,503.22 : x
  2. Step 2: Convert to fraction form
    14,080.92/21,145.55 = 12,503.22/x
  3. Step 3: Cross multiply
    14,080.92x = 21,145.55 × 12,503.22
  4. Step 4: Simplify right side
    14,080.92x = 264,387,463.67
  5. Step 5: Solve for x
    x = 264,387,463.67/14,080.92
  6. Step 6: Final answer
    x = 18,776.29

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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.