Home / 14,146.12-21,190.02-8,284.96

Finding the Fourth Proportional to 14,146.12, 21,190.02 and 8,284.96

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Solution

The fourth proportional to 14,146.12, 21,190.02 and 8,284.96 is: 12,410.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,146.12 : 21,190.02 = 8,284.96 : x
  2. Step 2: Convert to fraction form
    14,146.12/21,190.02 = 8,284.96/x
  3. Step 3: Cross multiply
    14,146.12x = 21,190.02 × 8,284.96
  4. Step 4: Simplify right side
    14,146.12x = 175,558,468.10
  5. Step 5: Solve for x
    x = 175,558,468.10/14,146.12
  6. Step 6: Final answer
    x = 12,410.36

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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.