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Finding the Fourth Proportional to 10,485.84, 14,466.78 and 6,952.80

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Solution

The fourth proportional to 10,485.84, 14,466.78 and 6,952.80 is: 9,592.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,485.84 : 14,466.78 = 6,952.80 : x
  2. Step 2: Convert to fraction form
    10,485.84/14,466.78 = 6,952.80/x
  3. Step 3: Cross multiply
    10,485.84x = 14,466.78 × 6,952.80
  4. Step 4: Simplify right side
    10,485.84x = 100,584,627.98
  5. Step 5: Solve for x
    x = 100,584,627.98/10,485.84
  6. Step 6: Final answer
    x = 9,592.42

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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.