Home / 9,543.36-13,173.96-8,945.58

Finding the Fourth Proportional to 9,543.36, 13,173.96 and 8,945.58

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Solution

The fourth proportional to 9,543.36, 13,173.96 and 8,945.58 is: 12,348.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,543.36 : 13,173.96 = 8,945.58 : x
  2. Step 2: Convert to fraction form
    9,543.36/13,173.96 = 8,945.58/x
  3. Step 3: Cross multiply
    9,543.36x = 13,173.96 × 8,945.58
  4. Step 4: Simplify right side
    9,543.36x = 117,848,713.10
  5. Step 5: Solve for x
    x = 117,848,713.10/9,543.36
  6. Step 6: Final answer
    x = 12,348.77

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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.