Home / 9,845.72-13,575.84-6,487.46

Finding the Fourth Proportional to 9,845.72, 13,575.84 and 6,487.46

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Solution

The fourth proportional to 9,845.72, 13,575.84 and 6,487.46 is: 8,945.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,845.72 : 13,575.84 = 6,487.46 : x
  2. Step 2: Convert to fraction form
    9,845.72/13,575.84 = 6,487.46/x
  3. Step 3: Cross multiply
    9,845.72x = 13,575.84 × 6,487.46
  4. Step 4: Simplify right side
    9,845.72x = 88,072,718.97
  5. Step 5: Solve for x
    x = 88,072,718.97/9,845.72
  6. Step 6: Final answer
    x = 8,945.28

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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.