Home / 19,382.45-29,035.80-9,236.39

Finding the Fourth Proportional to 19,382.45, 29,035.80 and 9,236.39

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Solution

The fourth proportional to 19,382.45, 29,035.80 and 9,236.39 is: 13,836.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,382.45 : 29,035.80 = 9,236.39 : x
  2. Step 2: Convert to fraction form
    19,382.45/29,035.80 = 9,236.39/x
  3. Step 3: Cross multiply
    19,382.45x = 29,035.80 × 9,236.39
  4. Step 4: Simplify right side
    19,382.45x = 268,185,827.58
  5. Step 5: Solve for x
    x = 268,185,827.58/19,382.45
  6. Step 6: Final answer
    x = 13,836.53

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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.