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Finding the Fourth Proportional to 9,663.72, 14,466.41 and 8,739.72

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Solution

The fourth proportional to 9,663.72, 14,466.41 and 8,739.72 is: 13,083.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,663.72 : 14,466.41 = 8,739.72 : x
  2. Step 2: Convert to fraction form
    9,663.72/14,466.41 = 8,739.72/x
  3. Step 3: Cross multiply
    9,663.72x = 14,466.41 × 8,739.72
  4. Step 4: Simplify right side
    9,663.72x = 126,432,256.77
  5. Step 5: Solve for x
    x = 126,432,256.77/9,663.72
  6. Step 6: Final answer
    x = 13,083.19

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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.