Home / 13,180.56-19,763.64-5,382.96

Finding the Fourth Proportional to 13,180.56, 19,763.64 and 5,382.96

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Solution

The fourth proportional to 13,180.56, 19,763.64 and 5,382.96 is: 8,071.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,180.56 : 19,763.64 = 5,382.96 : x
  2. Step 2: Convert to fraction form
    13,180.56/19,763.64 = 5,382.96/x
  3. Step 3: Cross multiply
    13,180.56x = 19,763.64 × 5,382.96
  4. Step 4: Simplify right side
    13,180.56x = 106,386,883.57
  5. Step 5: Solve for x
    x = 106,386,883.57/13,180.56
  6. Step 6: Final answer
    x = 8,071.50

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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.