Home / 8,969.92-13,450.56-3,345.84

Finding the Fourth Proportional to 8,969.92, 13,450.56 and 3,345.84

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Solution

The fourth proportional to 8,969.92, 13,450.56 and 3,345.84 is: 5,017.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,969.92 : 13,450.56 = 3,345.84 : x
  2. Step 2: Convert to fraction form
    8,969.92/13,450.56 = 3,345.84/x
  3. Step 3: Cross multiply
    8,969.92x = 13,450.56 × 3,345.84
  4. Step 4: Simplify right side
    8,969.92x = 45,003,421.67
  5. Step 5: Solve for x
    x = 45,003,421.67/8,969.92
  6. Step 6: Final answer
    x = 5,017.15

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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.