Home / 8,159.13-12,240.23-4,653.09

Finding the Fourth Proportional to 8,159.13, 12,240.23 and 4,653.09

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Solution

The fourth proportional to 8,159.13, 12,240.23 and 4,653.09 is: 6,980.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,159.13 : 12,240.23 = 4,653.09 : x
  2. Step 2: Convert to fraction form
    8,159.13/12,240.23 = 4,653.09/x
  3. Step 3: Cross multiply
    8,159.13x = 12,240.23 × 4,653.09
  4. Step 4: Simplify right side
    8,159.13x = 56,954,891.81
  5. Step 5: Solve for x
    x = 56,954,891.81/8,159.13
  6. Step 6: Final answer
    x = 6,980.51

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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.