Home / 12,176.03-18,250.21-5,151.66

Finding the Fourth Proportional to 12,176.03, 18,250.21 and 5,151.66

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Solution

The fourth proportional to 12,176.03, 18,250.21 and 5,151.66 is: 7,721.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,176.03 : 18,250.21 = 5,151.66 : x
  2. Step 2: Convert to fraction form
    12,176.03/18,250.21 = 5,151.66/x
  3. Step 3: Cross multiply
    12,176.03x = 18,250.21 × 5,151.66
  4. Step 4: Simplify right side
    12,176.03x = 94,018,785.60
  5. Step 5: Solve for x
    x = 94,018,785.60/12,176.03
  6. Step 6: Final answer
    x = 7,721.63

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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.