Home / 20,448.83-30,665.48-9,347.73

Finding the Fourth Proportional to 20,448.83, 30,665.48 and 9,347.73

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Solution

The fourth proportional to 20,448.83, 30,665.48 and 9,347.73 is: 14,018.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,448.83 : 30,665.48 = 9,347.73 : x
  2. Step 2: Convert to fraction form
    20,448.83/30,665.48 = 9,347.73/x
  3. Step 3: Cross multiply
    20,448.83x = 30,665.48 × 9,347.73
  4. Step 4: Simplify right side
    20,448.83x = 286,652,580.62
  5. Step 5: Solve for x
    x = 286,652,580.62/20,448.83
  6. Step 6: Final answer
    x = 14,018.05

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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.