Home / 9,905.72-14,823.16-8,604.79

Finding the Fourth Proportional to 9,905.72, 14,823.16 and 8,604.79

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Solution

The fourth proportional to 9,905.72, 14,823.16 and 8,604.79 is: 12,876.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,905.72 : 14,823.16 = 8,604.79 : x
  2. Step 2: Convert to fraction form
    9,905.72/14,823.16 = 8,604.79/x
  3. Step 3: Cross multiply
    9,905.72x = 14,823.16 × 8,604.79
  4. Step 4: Simplify right side
    9,905.72x = 127,550,120.37
  5. Step 5: Solve for x
    x = 127,550,120.37/9,905.72
  6. Step 6: Final answer
    x = 12,876.42

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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.