Home / 19,932.48-29,907.36-10,687.68

Finding the Fourth Proportional to 19,932.48, 29,907.36 and 10,687.68

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Solution

The fourth proportional to 19,932.48, 29,907.36 and 10,687.68 is: 16,036.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,932.48 : 29,907.36 = 10,687.68 : x
  2. Step 2: Convert to fraction form
    19,932.48/29,907.36 = 10,687.68/x
  3. Step 3: Cross multiply
    19,932.48x = 29,907.36 × 10,687.68
  4. Step 4: Simplify right side
    19,932.48x = 319,640,293.32
  5. Step 5: Solve for x
    x = 319,640,293.32/19,932.48
  6. Step 6: Final answer
    x = 16,036.15

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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.