Home / 15,390.36-23,083.44-5,528.22

Finding the Fourth Proportional to 15,390.36, 23,083.44 and 5,528.22

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Solution

The fourth proportional to 15,390.36, 23,083.44 and 5,528.22 is: 8,291.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,390.36 : 23,083.44 = 5,528.22 : x
  2. Step 2: Convert to fraction form
    15,390.36/23,083.44 = 5,528.22/x
  3. Step 3: Cross multiply
    15,390.36x = 23,083.44 × 5,528.22
  4. Step 4: Simplify right side
    15,390.36x = 127,610,334.68
  5. Step 5: Solve for x
    x = 127,610,334.68/15,390.36
  6. Step 6: Final answer
    x = 8,291.58

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1.5x scale

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.