Home / 15,546.63-21,454.93-8,833.40

Finding the Fourth Proportional to 15,546.63, 21,454.93 and 8,833.40

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Solution

The fourth proportional to 15,546.63, 21,454.93 and 8,833.40 is: 12,190.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,546.63 : 21,454.93 = 8,833.40 : x
  2. Step 2: Convert to fraction form
    15,546.63/21,454.93 = 8,833.40/x
  3. Step 3: Cross multiply
    15,546.63x = 21,454.93 × 8,833.40
  4. Step 4: Simplify right side
    15,546.63x = 189,519,935.08
  5. Step 5: Solve for x
    x = 189,519,935.08/15,546.63
  6. Step 6: Final answer
    x = 12,190.42

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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.