Home / 19,582.77-29,378.34-7,896

Finding the Fourth Proportional to 19,582.77, 29,378.34 and 7,896

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Solution

The fourth proportional to 19,582.77, 29,378.34 and 7,896 is: 11,845.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,582.77 : 29,378.34 = 7,896 : x
  2. Step 2: Convert to fraction form
    19,582.77/29,378.34 = 7,896/x
  3. Step 3: Cross multiply
    19,582.77x = 29,378.34 × 7,896
  4. Step 4: Simplify right side
    19,582.77x = 231,971,372.64
  5. Step 5: Solve for x
    x = 231,971,372.64/19,582.77
  6. Step 6: Final answer
    x = 11,845.69

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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.