Home / 15,751.10-23,625.30-5,220.02

Finding the Fourth Proportional to 15,751.10, 23,625.30 and 5,220.02

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Solution

The fourth proportional to 15,751.10, 23,625.30 and 5,220.02 is: 7,829.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,751.10 : 23,625.30 = 5,220.02 : x
  2. Step 2: Convert to fraction form
    15,751.10/23,625.30 = 5,220.02/x
  3. Step 3: Cross multiply
    15,751.10x = 23,625.30 × 5,220.02
  4. Step 4: Simplify right side
    15,751.10x = 123,324,538.51
  5. Step 5: Solve for x
    x = 123,324,538.51/15,751.10
  6. Step 6: Final answer
    x = 7,829.58

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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.