Home / 19,253.39-28,887.24-11,772.30

Finding the Fourth Proportional to 19,253.39, 28,887.24 and 11,772.30

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Solution

The fourth proportional to 19,253.39, 28,887.24 and 11,772.30 is: 17,662.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,253.39 : 28,887.24 = 11,772.30 : x
  2. Step 2: Convert to fraction form
    19,253.39/28,887.24 = 11,772.30/x
  3. Step 3: Cross multiply
    19,253.39x = 28,887.24 × 11,772.30
  4. Step 4: Simplify right side
    19,253.39x = 340,069,255.45
  5. Step 5: Solve for x
    x = 340,069,255.45/19,253.39
  6. Step 6: Final answer
    x = 17,662.82

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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.