Home / 8,989.96-13,468.51-6,518.65

Finding the Fourth Proportional to 8,989.96, 13,468.51 and 6,518.65

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Solution

The fourth proportional to 8,989.96, 13,468.51 and 6,518.65 is: 9,766.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,989.96 : 13,468.51 = 6,518.65 : x
  2. Step 2: Convert to fraction form
    8,989.96/13,468.51 = 6,518.65/x
  3. Step 3: Cross multiply
    8,989.96x = 13,468.51 × 6,518.65
  4. Step 4: Simplify right side
    8,989.96x = 87,796,502.71
  5. Step 5: Solve for x
    x = 87,796,502.71/8,989.96
  6. Step 6: Final answer
    x = 9,766.06

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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.