Home / 15,366.70-21,204.48-8,651.26

Finding the Fourth Proportional to 15,366.70, 21,204.48 and 8,651.26

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Solution

The fourth proportional to 15,366.70, 21,204.48 and 8,651.26 is: 11,937.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,366.70 : 21,204.48 = 8,651.26 : x
  2. Step 2: Convert to fraction form
    15,366.70/21,204.48 = 8,651.26/x
  3. Step 3: Cross multiply
    15,366.70x = 21,204.48 × 8,651.26
  4. Step 4: Simplify right side
    15,366.70x = 183,445,469.64
  5. Step 5: Solve for x
    x = 183,445,469.64/15,366.70
  6. Step 6: Final answer
    x = 11,937.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.