Home / 20,382.36-30,548.76-14,821.84

Finding the Fourth Proportional to 20,382.36, 30,548.76 and 14,821.84

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Solution

The fourth proportional to 20,382.36, 30,548.76 and 14,821.84 is: 22,214.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,382.36 : 30,548.76 = 14,821.84 : x
  2. Step 2: Convert to fraction form
    20,382.36/30,548.76 = 14,821.84/x
  3. Step 3: Cross multiply
    20,382.36x = 30,548.76 × 14,821.84
  4. Step 4: Simplify right side
    20,382.36x = 452,788,832.92
  5. Step 5: Solve for x
    x = 452,788,832.92/20,382.36
  6. Step 6: Final answer
    x = 22,214.74

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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.