Home / 19,530.40-29,292.60-6,382.84

Finding the Fourth Proportional to 19,530.40, 29,292.60 and 6,382.84

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Solution

The fourth proportional to 19,530.40, 29,292.60 and 6,382.84 is: 9,573.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,530.40 : 29,292.60 = 6,382.84 : x
  2. Step 2: Convert to fraction form
    19,530.40/29,292.60 = 6,382.84/x
  3. Step 3: Cross multiply
    19,530.40x = 29,292.60 × 6,382.84
  4. Step 4: Simplify right side
    19,530.40x = 186,969,978.98
  5. Step 5: Solve for x
    x = 186,969,978.98/19,530.40
  6. Step 6: Final answer
    x = 9,573.28

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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.