Home / 19,305.52-28,960.56-6,153.28

Finding the Fourth Proportional to 19,305.52, 28,960.56 and 6,153.28

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Solution

The fourth proportional to 19,305.52, 28,960.56 and 6,153.28 is: 9,230.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,305.52 : 28,960.56 = 6,153.28 : x
  2. Step 2: Convert to fraction form
    19,305.52/28,960.56 = 6,153.28/x
  3. Step 3: Cross multiply
    19,305.52x = 28,960.56 × 6,153.28
  4. Step 4: Simplify right side
    19,305.52x = 178,202,434.64
  5. Step 5: Solve for x
    x = 178,202,434.64/19,305.52
  6. Step 6: Final answer
    x = 9,230.65

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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.