Home / 14,007.22-21,013.62-12,612.94

Finding the Fourth Proportional to 14,007.22, 21,013.62 and 12,612.94

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Solution

The fourth proportional to 14,007.22, 21,013.62 and 12,612.94 is: 18,921.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,007.22 : 21,013.62 = 12,612.94 : x
  2. Step 2: Convert to fraction form
    14,007.22/21,013.62 = 12,612.94/x
  3. Step 3: Cross multiply
    14,007.22x = 21,013.62 × 12,612.94
  4. Step 4: Simplify right side
    14,007.22x = 265,043,528.24
  5. Step 5: Solve for x
    x = 265,043,528.24/14,007.22
  6. Step 6: Final answer
    x = 18,921.92

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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.