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Finding the Fourth Proportional to 9,673.56, 14,512.50 and 5,288.76

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Solution

The fourth proportional to 9,673.56, 14,512.50 and 5,288.76 is: 7,934.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,673.56 : 14,512.50 = 5,288.76 : x
  2. Step 2: Convert to fraction form
    9,673.56/14,512.50 = 5,288.76/x
  3. Step 3: Cross multiply
    9,673.56x = 14,512.50 × 5,288.76
  4. Step 4: Simplify right side
    9,673.56x = 76,753,129.50
  5. Step 5: Solve for x
    x = 76,753,129.50/9,673.56
  6. Step 6: Final answer
    x = 7,934.32

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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.