Home / 14,387.93-21,580.52-6,490.97

Finding the Fourth Proportional to 14,387.93, 21,580.52 and 6,490.97

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Solution

The fourth proportional to 14,387.93, 21,580.52 and 6,490.97 is: 9,735.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,387.93 : 21,580.52 = 6,490.97 : x
  2. Step 2: Convert to fraction form
    14,387.93/21,580.52 = 6,490.97/x
  3. Step 3: Cross multiply
    14,387.93x = 21,580.52 × 6,490.97
  4. Step 4: Simplify right side
    14,387.93x = 140,078,367.55
  5. Step 5: Solve for x
    x = 140,078,367.55/14,387.93
  6. Step 6: Final answer
    x = 9,735.83

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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.