Home / 14,747.44-20,351.28-8,459.68

Finding the Fourth Proportional to 14,747.44, 20,351.28 and 8,459.68

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Solution

The fourth proportional to 14,747.44, 20,351.28 and 8,459.68 is: 11,674.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,747.44 : 20,351.28 = 8,459.68 : x
  2. Step 2: Convert to fraction form
    14,747.44/20,351.28 = 8,459.68/x
  3. Step 3: Cross multiply
    14,747.44x = 20,351.28 × 8,459.68
  4. Step 4: Simplify right side
    14,747.44x = 172,165,316.39
  5. Step 5: Solve for x
    x = 172,165,316.39/14,747.44
  6. Step 6: Final answer
    x = 11,674.25

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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.