Home / 17,055.72-25,591.86-12,866.31

Finding the Fourth Proportional to 17,055.72, 25,591.86 and 12,866.31

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Solution

The fourth proportional to 17,055.72, 25,591.86 and 12,866.31 is: 19,305.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,055.72 : 25,591.86 = 12,866.31 : x
  2. Step 2: Convert to fraction form
    17,055.72/25,591.86 = 12,866.31/x
  3. Step 3: Cross multiply
    17,055.72x = 25,591.86 × 12,866.31
  4. Step 4: Simplify right side
    17,055.72x = 329,272,804.24
  5. Step 5: Solve for x
    x = 329,272,804.24/17,055.72
  6. Step 6: Final answer
    x = 19,305.71

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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.