Home / 15,628.56-23,434.87-5,091.81

Finding the Fourth Proportional to 15,628.56, 23,434.87 and 5,091.81

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Solution

The fourth proportional to 15,628.56, 23,434.87 and 5,091.81 is: 7,635.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,628.56 : 23,434.87 = 5,091.81 : x
  2. Step 2: Convert to fraction form
    15,628.56/23,434.87 = 5,091.81/x
  3. Step 3: Cross multiply
    15,628.56x = 23,434.87 × 5,091.81
  4. Step 4: Simplify right side
    15,628.56x = 119,325,814.35
  5. Step 5: Solve for x
    x = 119,325,814.35/15,628.56
  6. Step 6: Final answer
    x = 7,635.11

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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.