Home / 13,582.36-20,376.78-5,262.58

Finding the Fourth Proportional to 13,582.36, 20,376.78 and 5,262.58

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Solution

The fourth proportional to 13,582.36, 20,376.78 and 5,262.58 is: 7,895.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,582.36 : 20,376.78 = 5,262.58 : x
  2. Step 2: Convert to fraction form
    13,582.36/20,376.78 = 5,262.58/x
  3. Step 3: Cross multiply
    13,582.36x = 20,376.78 × 5,262.58
  4. Step 4: Simplify right side
    13,582.36x = 107,234,434.89
  5. Step 5: Solve for x
    x = 107,234,434.89/13,582.36
  6. Step 6: Final answer
    x = 7,895.13

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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.