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Finding the Fourth Proportional to 8,986.48, 13,479.72 and 7,050.98

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Solution

The fourth proportional to 8,986.48, 13,479.72 and 7,050.98 is: 10,576.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,986.48 : 13,479.72 = 7,050.98 : x
  2. Step 2: Convert to fraction form
    8,986.48/13,479.72 = 7,050.98/x
  3. Step 3: Cross multiply
    8,986.48x = 13,479.72 × 7,050.98
  4. Step 4: Simplify right side
    8,986.48x = 95,045,243.38
  5. Step 5: Solve for x
    x = 95,045,243.38/8,986.48
  6. Step 6: Final answer
    x = 10,576.47

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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.