Home / 12,939.51-19,393.02-5,535.26

Finding the Fourth Proportional to 12,939.51, 19,393.02 and 5,535.26

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Solution

The fourth proportional to 12,939.51, 19,393.02 and 5,535.26 is: 8,295.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,939.51 : 19,393.02 = 5,535.26 : x
  2. Step 2: Convert to fraction form
    12,939.51/19,393.02 = 5,535.26/x
  3. Step 3: Cross multiply
    12,939.51x = 19,393.02 × 5,535.26
  4. Step 4: Simplify right side
    12,939.51x = 107,345,310.92
  5. Step 5: Solve for x
    x = 107,345,310.92/12,939.51
  6. Step 6: Final answer
    x = 8,295.93

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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.