Home / 15,150.77-22,736.54-5,290.04

Finding the Fourth Proportional to 15,150.77, 22,736.54 and 5,290.04

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Solution

The fourth proportional to 15,150.77, 22,736.54 and 5,290.04 is: 7,938.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,150.77 : 22,736.54 = 5,290.04 : x
  2. Step 2: Convert to fraction form
    15,150.77/22,736.54 = 5,290.04/x
  3. Step 3: Cross multiply
    15,150.77x = 22,736.54 × 5,290.04
  4. Step 4: Simplify right side
    15,150.77x = 120,277,236.45
  5. Step 5: Solve for x
    x = 120,277,236.45/15,150.77
  6. Step 6: Final answer
    x = 7,938.69

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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.