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Finding the Fourth Proportional to 9,303.33, 12,800.50 and 8,040.34

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Solution

The fourth proportional to 9,303.33, 12,800.50 and 8,040.34 is: 11,062.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,303.33 : 12,800.50 = 8,040.34 : x
  2. Step 2: Convert to fraction form
    9,303.33/12,800.50 = 8,040.34/x
  3. Step 3: Cross multiply
    9,303.33x = 12,800.50 × 8,040.34
  4. Step 4: Simplify right side
    9,303.33x = 102,920,372.17
  5. Step 5: Solve for x
    x = 102,920,372.17/9,303.33
  6. Step 6: Final answer
    x = 11,062.75

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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.