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Finding the Fourth Proportional to 9,773.48, 13,490.46 and 6,750.15

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Solution

The fourth proportional to 9,773.48, 13,490.46 and 6,750.15 is: 9,317.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,773.48 : 13,490.46 = 6,750.15 : x
  2. Step 2: Convert to fraction form
    9,773.48/13,490.46 = 6,750.15/x
  3. Step 3: Cross multiply
    9,773.48x = 13,490.46 × 6,750.15
  4. Step 4: Simplify right side
    9,773.48x = 91,062,628.57
  5. Step 5: Solve for x
    x = 91,062,628.57/9,773.48
  6. Step 6: Final answer
    x = 9,317.32

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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.