Home / 15,546.77-21,455.12-8,833.53

Finding the Fourth Proportional to 15,546.77, 21,455.12 and 8,833.53

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Solution

The fourth proportional to 15,546.77, 21,455.12 and 8,833.53 is: 12,190.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,546.77 : 21,455.12 = 8,833.53 : x
  2. Step 2: Convert to fraction form
    15,546.77/21,455.12 = 8,833.53/x
  3. Step 3: Cross multiply
    15,546.77x = 21,455.12 × 8,833.53
  4. Step 4: Simplify right side
    15,546.77x = 189,524,402.01
  5. Step 5: Solve for x
    x = 189,524,402.01/15,546.77
  6. Step 6: Final answer
    x = 12,190.60

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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.