Home / 9,968.46-13,752.55-8,709.56

Finding the Fourth Proportional to 9,968.46, 13,752.55 and 8,709.56

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Solution

The fourth proportional to 9,968.46, 13,752.55 and 8,709.56 is: 12,015.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,968.46 : 13,752.55 = 8,709.56 : x
  2. Step 2: Convert to fraction form
    9,968.46/13,752.55 = 8,709.56/x
  3. Step 3: Cross multiply
    9,968.46x = 13,752.55 × 8,709.56
  4. Step 4: Simplify right side
    9,968.46x = 119,778,730.43
  5. Step 5: Solve for x
    x = 119,778,730.43/9,968.46
  6. Step 6: Final answer
    x = 12,015.78

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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.