Home / 12,621.99-18,937.37-5,606.94

Finding the Fourth Proportional to 12,621.99, 18,937.37 and 5,606.94

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Solution

The fourth proportional to 12,621.99, 18,937.37 and 5,606.94 is: 8,412.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,621.99 : 18,937.37 = 5,606.94 : x
  2. Step 2: Convert to fraction form
    12,621.99/18,937.37 = 5,606.94/x
  3. Step 3: Cross multiply
    12,621.99x = 18,937.37 × 5,606.94
  4. Step 4: Simplify right side
    12,621.99x = 106,180,669.31
  5. Step 5: Solve for x
    x = 106,180,669.31/12,621.99
  6. Step 6: Final answer
    x = 8,412.36

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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.