Home / 9,825.40-14,747.37-6,540.78

Finding the Fourth Proportional to 9,825.40, 14,747.37 and 6,540.78

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Solution

The fourth proportional to 9,825.40, 14,747.37 and 6,540.78 is: 9,817.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,825.40 : 14,747.37 = 6,540.78 : x
  2. Step 2: Convert to fraction form
    9,825.40/14,747.37 = 6,540.78/x
  3. Step 3: Cross multiply
    9,825.40x = 14,747.37 × 6,540.78
  4. Step 4: Simplify right side
    9,825.40x = 96,459,333.52
  5. Step 5: Solve for x
    x = 96,459,333.52/9,825.40
  6. Step 6: Final answer
    x = 9,817.34

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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.