Home / 20,949.02-28,907.93-12,333.84

Finding the Fourth Proportional to 20,949.02, 28,907.93 and 12,333.84

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Solution

The fourth proportional to 20,949.02, 28,907.93 and 12,333.84 is: 17,019.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,949.02 : 28,907.93 = 12,333.84 : x
  2. Step 2: Convert to fraction form
    20,949.02/28,907.93 = 12,333.84/x
  3. Step 3: Cross multiply
    20,949.02x = 28,907.93 × 12,333.84
  4. Step 4: Simplify right side
    20,949.02x = 356,545,783.35
  5. Step 5: Solve for x
    x = 356,545,783.35/20,949.02
  6. Step 6: Final answer
    x = 17,019.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.