Home / 12,585.44-18,862.80-6,733.28

Finding the Fourth Proportional to 12,585.44, 18,862.80 and 6,733.28

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Solution

The fourth proportional to 12,585.44, 18,862.80 and 6,733.28 is: 10,091.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,585.44 : 18,862.80 = 6,733.28 : x
  2. Step 2: Convert to fraction form
    12,585.44/18,862.80 = 6,733.28/x
  3. Step 3: Cross multiply
    12,585.44x = 18,862.80 × 6,733.28
  4. Step 4: Simplify right side
    12,585.44x = 127,008,513.98
  5. Step 5: Solve for x
    x = 127,008,513.98/12,585.44
  6. Step 6: Final answer
    x = 10,091.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.