Home / 13,270.34-19,905.60-6,323.78

Finding the Fourth Proportional to 13,270.34, 19,905.60 and 6,323.78

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Solution

The fourth proportional to 13,270.34, 19,905.60 and 6,323.78 is: 9,485.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,270.34 : 19,905.60 = 6,323.78 : x
  2. Step 2: Convert to fraction form
    13,270.34/19,905.60 = 6,323.78/x
  3. Step 3: Cross multiply
    13,270.34x = 19,905.60 × 6,323.78
  4. Step 4: Simplify right side
    13,270.34x = 125,878,635.17
  5. Step 5: Solve for x
    x = 125,878,635.17/13,270.34
  6. Step 6: Final answer
    x = 9,485.71

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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.