Home / 13,052.85-19,581.80-5,262.45

Finding the Fourth Proportional to 13,052.85, 19,581.80 and 5,262.45

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Solution

The fourth proportional to 13,052.85, 19,581.80 and 5,262.45 is: 7,894.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,052.85 : 19,581.80 = 5,262.45 : x
  2. Step 2: Convert to fraction form
    13,052.85/19,581.80 = 5,262.45/x
  3. Step 3: Cross multiply
    13,052.85x = 19,581.80 × 5,262.45
  4. Step 4: Simplify right side
    13,052.85x = 103,048,243.41
  5. Step 5: Solve for x
    x = 103,048,243.41/13,052.85
  6. Step 6: Final answer
    x = 7,894.69

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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.