Home / 12,606.29-18,900.66-5,582.49

Finding the Fourth Proportional to 12,606.29, 18,900.66 and 5,582.49

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Solution

The fourth proportional to 12,606.29, 18,900.66 and 5,582.49 is: 8,369.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,606.29 : 18,900.66 = 5,582.49 : x
  2. Step 2: Convert to fraction form
    12,606.29/18,900.66 = 5,582.49/x
  3. Step 3: Cross multiply
    12,606.29x = 18,900.66 × 5,582.49
  4. Step 4: Simplify right side
    12,606.29x = 105,512,733.41
  5. Step 5: Solve for x
    x = 105,512,733.41/12,606.29
  6. Step 6: Final answer
    x = 8,369.85

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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.