Home / 15,776.80-23,615.96-11,621.52

Finding the Fourth Proportional to 15,776.80, 23,615.96 and 11,621.52

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Solution

The fourth proportional to 15,776.80, 23,615.96 and 11,621.52 is: 17,396.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,776.80 : 23,615.96 = 11,621.52 : x
  2. Step 2: Convert to fraction form
    15,776.80/23,615.96 = 11,621.52/x
  3. Step 3: Cross multiply
    15,776.80x = 23,615.96 × 11,621.52
  4. Step 4: Simplify right side
    15,776.80x = 274,453,351.46
  5. Step 5: Solve for x
    x = 274,453,351.46/15,776.80
  6. Step 6: Final answer
    x = 17,396.01

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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.