Home / 9,864.78-13,608.90-6,676.98

Finding the Fourth Proportional to 9,864.78, 13,608.90 and 6,676.98

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Solution

The fourth proportional to 9,864.78, 13,608.90 and 6,676.98 is: 9,211.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,864.78 : 13,608.90 = 6,676.98 : x
  2. Step 2: Convert to fraction form
    9,864.78/13,608.90 = 6,676.98/x
  3. Step 3: Cross multiply
    9,864.78x = 13,608.90 × 6,676.98
  4. Step 4: Simplify right side
    9,864.78x = 90,866,353.12
  5. Step 5: Solve for x
    x = 90,866,353.12/9,864.78
  6. Step 6: Final answer
    x = 9,211.19

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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.