Home / 15,236.64-21,024.67-8,520.59

Finding the Fourth Proportional to 15,236.64, 21,024.67 and 8,520.59

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Solution

The fourth proportional to 15,236.64, 21,024.67 and 8,520.59 is: 11,757.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,236.64 : 21,024.67 = 8,520.59 : x
  2. Step 2: Convert to fraction form
    15,236.64/21,024.67 = 8,520.59/x
  3. Step 3: Cross multiply
    15,236.64x = 21,024.67 × 8,520.59
  4. Step 4: Simplify right side
    15,236.64x = 179,142,540.10
  5. Step 5: Solve for x
    x = 179,142,540.10/15,236.64
  6. Step 6: Final answer
    x = 11,757.35

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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.