Home / 15,185.16-22,782.06-10,789.56

Finding the Fourth Proportional to 15,185.16, 22,782.06 and 10,789.56

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Solution

The fourth proportional to 15,185.16, 22,782.06 and 10,789.56 is: 16,187.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,185.16 : 22,782.06 = 10,789.56 : x
  2. Step 2: Convert to fraction form
    15,185.16/22,782.06 = 10,789.56/x
  3. Step 3: Cross multiply
    15,185.16x = 22,782.06 × 10,789.56
  4. Step 4: Simplify right side
    15,185.16x = 245,808,403.29
  5. Step 5: Solve for x
    x = 245,808,403.29/15,185.16
  6. Step 6: Final answer
    x = 16,187.41

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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.