Home / 12,629.27-18,943.90-5,607.63

Finding the Fourth Proportional to 12,629.27, 18,943.90 and 5,607.63

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Solution

The fourth proportional to 12,629.27, 18,943.90 and 5,607.63 is: 8,411.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,629.27 : 18,943.90 = 5,607.63 : x
  2. Step 2: Convert to fraction form
    12,629.27/18,943.90 = 5,607.63/x
  3. Step 3: Cross multiply
    12,629.27x = 18,943.90 × 5,607.63
  4. Step 4: Simplify right side
    12,629.27x = 106,230,381.96
  5. Step 5: Solve for x
    x = 106,230,381.96/12,629.27
  6. Step 6: Final answer
    x = 8,411.44

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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.