Home / 9,884.78-13,644.16-6,530.57

Finding the Fourth Proportional to 9,884.78, 13,644.16 and 6,530.57

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Solution

The fourth proportional to 9,884.78, 13,644.16 and 6,530.57 is: 9,014.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,884.78 : 13,644.16 = 6,530.57 : x
  2. Step 2: Convert to fraction form
    9,884.78/13,644.16 = 6,530.57/x
  3. Step 3: Cross multiply
    9,884.78x = 13,644.16 × 6,530.57
  4. Step 4: Simplify right side
    9,884.78x = 89,104,073.75
  5. Step 5: Solve for x
    x = 89,104,073.75/9,884.78
  6. Step 6: Final answer
    x = 9,014.27

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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.