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Finding the Fourth Proportional to 9,960.34, 13,750.99 and 6,607.70

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Solution

The fourth proportional to 9,960.34, 13,750.99 and 6,607.70 is: 9,122.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,960.34 : 13,750.99 = 6,607.70 : x
  2. Step 2: Convert to fraction form
    9,960.34/13,750.99 = 6,607.70/x
  3. Step 3: Cross multiply
    9,960.34x = 13,750.99 × 6,607.70
  4. Step 4: Simplify right side
    9,960.34x = 90,862,416.62
  5. Step 5: Solve for x
    x = 90,862,416.62/9,960.34
  6. Step 6: Final answer
    x = 9,122.42

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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.