Home / 20,539.06-30,802.42-10,672.95

Finding the Fourth Proportional to 20,539.06, 30,802.42 and 10,672.95

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Solution

The fourth proportional to 20,539.06, 30,802.42 and 10,672.95 is: 16,006.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,539.06 : 30,802.42 = 10,672.95 : x
  2. Step 2: Convert to fraction form
    20,539.06/30,802.42 = 10,672.95/x
  3. Step 3: Cross multiply
    20,539.06x = 30,802.42 × 10,672.95
  4. Step 4: Simplify right side
    20,539.06x = 328,752,688.54
  5. Step 5: Solve for x
    x = 328,752,688.54/20,539.06
  6. Step 6: Final answer
    x = 16,006.22

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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.