Home / 12,927.47-19,372.97-5,890.19

Finding the Fourth Proportional to 12,927.47, 19,372.97 and 5,890.19

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Solution

The fourth proportional to 12,927.47, 19,372.97 and 5,890.19 is: 8,826.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,927.47 : 19,372.97 = 5,890.19 : x
  2. Step 2: Convert to fraction form
    12,927.47/19,372.97 = 5,890.19/x
  3. Step 3: Cross multiply
    12,927.47x = 19,372.97 × 5,890.19
  4. Step 4: Simplify right side
    12,927.47x = 114,110,392.02
  5. Step 5: Solve for x
    x = 114,110,392.02/12,927.47
  6. Step 6: Final answer
    x = 8,826.97

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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.