Home / 15,265.24-21,066.83-8,550.48

Finding the Fourth Proportional to 15,265.24, 21,066.83 and 8,550.48

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Solution

The fourth proportional to 15,265.24, 21,066.83 and 8,550.48 is: 11,800.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,265.24 : 21,066.83 = 8,550.48 : x
  2. Step 2: Convert to fraction form
    15,265.24/21,066.83 = 8,550.48/x
  3. Step 3: Cross multiply
    15,265.24x = 21,066.83 × 8,550.48
  4. Step 4: Simplify right side
    15,265.24x = 180,131,360.49
  5. Step 5: Solve for x
    x = 180,131,360.49/15,265.24
  6. Step 6: Final answer
    x = 11,800.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.