Home / 14,747.13-20,350.22-8,459.51

Finding the Fourth Proportional to 14,747.13, 20,350.22 and 8,459.51

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Solution

The fourth proportional to 14,747.13, 20,350.22 and 8,459.51 is: 11,673.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,747.13 : 20,350.22 = 8,459.51 : x
  2. Step 2: Convert to fraction form
    14,747.13/20,350.22 = 8,459.51/x
  3. Step 3: Cross multiply
    14,747.13x = 20,350.22 × 8,459.51
  4. Step 4: Simplify right side
    14,747.13x = 172,152,745.54
  5. Step 5: Solve for x
    x = 172,152,745.54/14,747.13
  6. Step 6: Final answer
    x = 11,673.64

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.