Home / 8,980.74-13,465.46-6,517.62

Finding the Fourth Proportional to 8,980.74, 13,465.46 and 6,517.62

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Solution

The fourth proportional to 8,980.74, 13,465.46 and 6,517.62 is: 9,772.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,980.74 : 13,465.46 = 6,517.62 : x
  2. Step 2: Convert to fraction form
    8,980.74/13,465.46 = 6,517.62/x
  3. Step 3: Cross multiply
    8,980.74x = 13,465.46 × 6,517.62
  4. Step 4: Simplify right side
    8,980.74x = 87,762,718.82
  5. Step 5: Solve for x
    x = 87,762,718.82/8,980.74
  6. Step 6: Final answer
    x = 9,772.33

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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.