Home / 17,905.56-24,708.60-9,947.34

Finding the Fourth Proportional to 17,905.56, 24,708.60 and 9,947.34

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Solution

The fourth proportional to 17,905.56, 24,708.60 and 9,947.34 is: 13,726.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,905.56 : 24,708.60 = 9,947.34 : x
  2. Step 2: Convert to fraction form
    17,905.56/24,708.60 = 9,947.34/x
  3. Step 3: Cross multiply
    17,905.56x = 24,708.60 × 9,947.34
  4. Step 4: Simplify right side
    17,905.56x = 245,784,845.12
  5. Step 5: Solve for x
    x = 245,784,845.12/17,905.56
  6. Step 6: Final answer
    x = 13,726.73

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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.