Home / 10,095.60-13,930.60-5,619.54

Finding the Fourth Proportional to 10,095.60, 13,930.60 and 5,619.54

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Solution

The fourth proportional to 10,095.60, 13,930.60 and 5,619.54 is: 7,754.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,095.60 : 13,930.60 = 5,619.54 : x
  2. Step 2: Convert to fraction form
    10,095.60/13,930.60 = 5,619.54/x
  3. Step 3: Cross multiply
    10,095.60x = 13,930.60 × 5,619.54
  4. Step 4: Simplify right side
    10,095.60x = 78,283,494.27
  5. Step 5: Solve for x
    x = 78,283,494.27/10,095.60
  6. Step 6: Final answer
    x = 7,754.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.