Home / 9,980.91-14,971.41-2,584.85

Finding the Fourth Proportional to 9,980.91, 14,971.41 and 2,584.85

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Solution

The fourth proportional to 9,980.91, 14,971.41 and 2,584.85 is: 3,877.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,980.91 : 14,971.41 = 2,584.85 : x
  2. Step 2: Convert to fraction form
    9,980.91/14,971.41 = 2,584.85/x
  3. Step 3: Cross multiply
    9,980.91x = 14,971.41 × 2,584.85
  4. Step 4: Simplify right side
    9,980.91x = 38,698,774.28
  5. Step 5: Solve for x
    x = 38,698,774.28/9,980.91
  6. Step 6: Final answer
    x = 3,877.28

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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.