Home / 12,528.39-17,273.24-8,947.64

Finding the Fourth Proportional to 12,528.39, 17,273.24 and 8,947.64

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Solution

The fourth proportional to 12,528.39, 17,273.24 and 8,947.64 is: 12,336.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,528.39 : 17,273.24 = 8,947.64 : x
  2. Step 2: Convert to fraction form
    12,528.39/17,273.24 = 8,947.64/x
  3. Step 3: Cross multiply
    12,528.39x = 17,273.24 × 8,947.64
  4. Step 4: Simplify right side
    12,528.39x = 154,554,602.05
  5. Step 5: Solve for x
    x = 154,554,602.05/12,528.39
  6. Step 6: Final answer
    x = 12,336.35

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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.