Home / 14,073.62-21,134.58-12,495.90

Finding the Fourth Proportional to 14,073.62, 21,134.58 and 12,495.90

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Solution

The fourth proportional to 14,073.62, 21,134.58 and 12,495.90 is: 18,765.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,073.62 : 21,134.58 = 12,495.90 : x
  2. Step 2: Convert to fraction form
    14,073.62/21,134.58 = 12,495.90/x
  3. Step 3: Cross multiply
    14,073.62x = 21,134.58 × 12,495.90
  4. Step 4: Simplify right side
    14,073.62x = 264,095,598.22
  5. Step 5: Solve for x
    x = 264,095,598.22/14,073.62
  6. Step 6: Final answer
    x = 18,765.29

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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.