Home / 19,146.94-28,720.38-6,000.32

Finding the Fourth Proportional to 19,146.94, 28,720.38 and 6,000.32

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Solution

The fourth proportional to 19,146.94, 28,720.38 and 6,000.32 is: 9,000.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,146.94 : 28,720.38 = 6,000.32 : x
  2. Step 2: Convert to fraction form
    19,146.94/28,720.38 = 6,000.32/x
  3. Step 3: Cross multiply
    19,146.94x = 28,720.38 × 6,000.32
  4. Step 4: Simplify right side
    19,146.94x = 172,331,470.52
  5. Step 5: Solve for x
    x = 172,331,470.52/19,146.94
  6. Step 6: Final answer
    x = 9,000.47

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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.