Home / 15,048.36-22,575.96-5,187.78

Finding the Fourth Proportional to 15,048.36, 22,575.96 and 5,187.78

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Solution

The fourth proportional to 15,048.36, 22,575.96 and 5,187.78 is: 7,782.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,048.36 : 22,575.96 = 5,187.78 : x
  2. Step 2: Convert to fraction form
    15,048.36/22,575.96 = 5,187.78/x
  3. Step 3: Cross multiply
    15,048.36x = 22,575.96 × 5,187.78
  4. Step 4: Simplify right side
    15,048.36x = 117,119,113.77
  5. Step 5: Solve for x
    x = 117,119,113.77/15,048.36
  6. Step 6: Final answer
    x = 7,782.85

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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.