Home / 13,285.32-19,918.22-6,364.68

Finding the Fourth Proportional to 13,285.32, 19,918.22 and 6,364.68

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Solution

The fourth proportional to 13,285.32, 19,918.22 and 6,364.68 is: 9,542.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,285.32 : 19,918.22 = 6,364.68 : x
  2. Step 2: Convert to fraction form
    13,285.32/19,918.22 = 6,364.68/x
  3. Step 3: Cross multiply
    13,285.32x = 19,918.22 × 6,364.68
  4. Step 4: Simplify right side
    13,285.32x = 126,773,096.47
  5. Step 5: Solve for x
    x = 126,773,096.47/13,285.32
  6. Step 6: Final answer
    x = 9,542.34

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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.