Home / 14,103.64-21,148.62-8,262.28

Finding the Fourth Proportional to 14,103.64, 21,148.62 and 8,262.28

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Solution

The fourth proportional to 14,103.64, 21,148.62 and 8,262.28 is: 12,389.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,103.64 : 21,148.62 = 8,262.28 : x
  2. Step 2: Convert to fraction form
    14,103.64/21,148.62 = 8,262.28/x
  3. Step 3: Cross multiply
    14,103.64x = 21,148.62 × 8,262.28
  4. Step 4: Simplify right side
    14,103.64x = 174,735,820.05
  5. Step 5: Solve for x
    x = 174,735,820.05/14,103.64
  6. Step 6: Final answer
    x = 12,389.41

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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.