Home / 15,546.02-21,453.58-8,832.02

Finding the Fourth Proportional to 15,546.02, 21,453.58 and 8,832.02

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Solution

The fourth proportional to 15,546.02, 21,453.58 and 8,832.02 is: 12,188.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,546.02 : 21,453.58 = 8,832.02 : x
  2. Step 2: Convert to fraction form
    15,546.02/21,453.58 = 8,832.02/x
  3. Step 3: Cross multiply
    15,546.02x = 21,453.58 × 8,832.02
  4. Step 4: Simplify right side
    15,546.02x = 189,478,439.69
  5. Step 5: Solve for x
    x = 189,478,439.69/15,546.02
  6. Step 6: Final answer
    x = 12,188.23

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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.