Home / 15,327.70-21,150.65-8,612.26

Finding the Fourth Proportional to 15,327.70, 21,150.65 and 8,612.26

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Solution

The fourth proportional to 15,327.70, 21,150.65 and 8,612.26 is: 11,884.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,327.70 : 21,150.65 = 8,612.26 : x
  2. Step 2: Convert to fraction form
    15,327.70/21,150.65 = 8,612.26/x
  3. Step 3: Cross multiply
    15,327.70x = 21,150.65 × 8,612.26
  4. Step 4: Simplify right side
    15,327.70x = 182,154,896.97
  5. Step 5: Solve for x
    x = 182,154,896.97/15,327.70
  6. Step 6: Final answer
    x = 11,884.03

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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.