Home / 13,382.06-20,045.81-6,340.73

Finding the Fourth Proportional to 13,382.06, 20,045.81 and 6,340.73

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Solution

The fourth proportional to 13,382.06, 20,045.81 and 6,340.73 is: 9,498.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,382.06 : 20,045.81 = 6,340.73 : x
  2. Step 2: Convert to fraction form
    13,382.06/20,045.81 = 6,340.73/x
  3. Step 3: Cross multiply
    13,382.06x = 20,045.81 × 6,340.73
  4. Step 4: Simplify right side
    13,382.06x = 127,105,068.84
  5. Step 5: Solve for x
    x = 127,105,068.84/13,382.06
  6. Step 6: Final answer
    x = 9,498.17

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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.